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25 vulnerabilities by StrongSwan
CERTFR-2026-AVI-1180
Vulnerability from certfr_avis - Published: 2026-09-16 - Updated: 2026-09-16
Une vulnérabilité a été découverte dans StrongSwan. Elle permet à un attaquant de provoquer un déni de service à distance.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
| Vendor | Product | Description | ||
|---|---|---|---|---|
| StrongSwan | strongSwan | strongSwan versions antérieures à 6.1.0 |
References
| Title | Publication Time | Tags | |||
|---|---|---|---|---|---|
|
|||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "strongSwan versions ant\u00e9rieures \u00e0 6.1.0",
"product": {
"name": "strongSwan",
"vendor": {
"name": "StrongSwan",
"scada": false
}
}
}
],
"affected_systems_content": "",
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [
{
"name": "CVE-2026-78123",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-78123"
}
],
"initial_release_date": "2026-09-16T00:00:00",
"last_revision_date": "2026-09-16T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-1180",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-09-16T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service \u00e0 distance"
}
],
"summary": "Une vuln\u00e9rabilit\u00e9 a \u00e9t\u00e9 d\u00e9couverte dans StrongSwan. Elle permet \u00e0 un attaquant de provoquer un d\u00e9ni de service \u00e0 distance.",
"title": "Vuln\u00e9rabilit\u00e9 dans StrongSwan",
"vendor_advisories": [
{
"published_at": "2026-09-07",
"title": "Bulletin de s\u00e9curit\u00e9 StrongSwan cve-2026-78123",
"url": "https://www.strongswan.org//blog/2026/09/07/strongswan-vulnerability-(cve-2026-78123).html"
}
]
}
CERTFR-2026-AVI-1129
Vulnerability from certfr_avis - Published: 2026-09-08 - Updated: 2026-09-08
De multiples vulnérabilités ont été découvertes dans strongSwan. Certaines d'entre elles permettent à un attaquant de provoquer une exécution de code arbitraire à distance, un déni de service à distance et un contournement de la politique de sécurité.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
| Vendor | Product | Description | ||
|---|---|---|---|---|
| StrongSwan | strongSwan | strongSwan versions antérieures à 6.1.0 |
References
| Title | Publication Time | Tags | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "strongSwan versions ant\u00e9rieures \u00e0 6.1.0",
"product": {
"name": "strongSwan",
"vendor": {
"name": "StrongSwan",
"scada": false
}
}
}
],
"affected_systems_content": "",
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [
{
"name": "CVE-2026-78134",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-78134"
},
{
"name": "CVE-2026-78127",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-78127"
},
{
"name": "CVE-2017-9023",
"url": "https://www.cve.org/CVERecord?id=CVE-2017-9023"
},
{
"name": "CVE-2026-78129",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-78129"
},
{
"name": "CVE-2026-78135",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-78135"
},
{
"name": "CVE-2026-78132",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-78132"
},
{
"name": "CVE-2026-78133",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-78133"
},
{
"name": "CVE-2014-2338",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-2338"
},
{
"name": "CVE-2026-78131",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-78131"
},
{
"name": "CVE-2026-78130",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-78130"
}
],
"initial_release_date": "2026-09-08T00:00:00",
"last_revision_date": "2026-09-08T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-1129",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-09-08T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service \u00e0 distance"
},
{
"description": "Ex\u00e9cution de code arbitraire \u00e0 distance"
},
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans strongSwan. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer une ex\u00e9cution de code arbitraire \u00e0 distance, un d\u00e9ni de service \u00e0 distance et un contournement de la politique de s\u00e9curit\u00e9.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans strongSwan",
"vendor_advisories": [
{
"published_at": "2026-09-07",
"title": "Bulletin de s\u00e9curit\u00e9 StrongSwan cve-2026-78131",
"url": "https://www.strongswan.org//blog/2026/09/07/strongswan-vulnerability-(cve-2026-78131).html"
},
{
"published_at": "2026-09-07",
"title": "Bulletin de s\u00e9curit\u00e9 StrongSwan cve-2026-78129",
"url": "https://www.strongswan.org//blog/2026/09/07/strongswan-vulnerability-(cve-2026-78129).html"
},
{
"published_at": "2026-09-07",
"title": "Bulletin de s\u00e9curit\u00e9 StrongSwan cve-2026-78127",
"url": "https://www.strongswan.org//blog/2026/09/07/strongswan-vulnerability-(cve-2026-78127).html"
},
{
"published_at": "2026-09-07",
"title": "Bulletin de s\u00e9curit\u00e9 StrongSwan cve-2026-78134",
"url": "https://www.strongswan.org//blog/2026/09/07/strongswan-vulnerability-(cve-2026-78134).html"
},
{
"published_at": "2026-09-07",
"title": "Bulletin de s\u00e9curit\u00e9 StrongSwan cve-2026-78135",
"url": "https://www.strongswan.org//blog/2026/09/07/strongswan-vulnerability-(cve-2026-78135).html"
},
{
"published_at": "2026-09-07",
"title": "Bulletin de s\u00e9curit\u00e9 StrongSwan cve-2026-78130",
"url": "https://www.strongswan.org//blog/2026/09/07/strongswan-vulnerability-(cve-2026-78130).html"
},
{
"published_at": "2026-09-07",
"title": "Bulletin de s\u00e9curit\u00e9 StrongSwan cve-2026-78132",
"url": "https://www.strongswan.org//blog/2026/09/07/strongswan-vulnerability-(cve-2026-78132).html"
},
{
"published_at": "2026-09-07",
"title": "Bulletin de s\u00e9curit\u00e9 StrongSwan cve-2026-78133",
"url": "https://www.strongswan.org//blog/2026/09/07/strongswan-vulnerability-(cve-2026-78133).html"
}
]
}
CERTFR-2026-AVI-0709
Vulnerability from certfr_avis - Published: 2026-06-09 - Updated: 2026-06-09
Une vulnérabilité a été découverte dans strongSwan. Elle permet à un attaquant de provoquer une exécution de code arbitraire à distance.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
| Vendor | Product | Description | ||
|---|---|---|---|---|
| StrongSwan | strongSwan | strongSwan versions antérieures à 6.0.7 |
References
| Title | Publication Time | Tags | |||
|---|---|---|---|---|---|
|
|||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "strongSwan versions ant\u00e9rieures \u00e0 6.0.7",
"product": {
"name": "strongSwan",
"vendor": {
"name": "StrongSwan",
"scada": false
}
}
}
],
"affected_systems_content": "",
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [
{
"name": "CVE-2026-47895",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-47895"
}
],
"initial_release_date": "2026-06-09T00:00:00",
"last_revision_date": "2026-06-09T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-0709",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-06-09T00:00:00.000000"
}
],
"risks": [
{
"description": "Ex\u00e9cution de code arbitraire \u00e0 distance"
}
],
"summary": "Une vuln\u00e9rabilit\u00e9 a \u00e9t\u00e9 d\u00e9couverte dans strongSwan. Elle permet \u00e0 un attaquant de provoquer une ex\u00e9cution de code arbitraire \u00e0 distance.",
"title": "Vuln\u00e9rabilit\u00e9 dans strongSwan",
"vendor_advisories": [
{
"published_at": "2026-06-08",
"title": "Bulletin de s\u00e9curit\u00e9 StrongSwan cve-2026-47895",
"url": "https://www.strongswan.org//blog/2026/06/08/strongswan-vulnerability-(cve-2026-47895).html"
}
]
}
CERTFR-2026-AVI-0484
Vulnerability from certfr_avis - Published: 2026-04-23 - Updated: 2026-04-23
De multiples vulnérabilités ont été découvertes dans strongSwan. Certaines d'entre elles permettent à un attaquant de provoquer une exécution de code arbitraire à distance, un déni de service à distance et un contournement de la politique de sécurité.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
| Vendor | Product | Description | ||
|---|---|---|---|---|
| StrongSwan | strongSwan | strongSwan versions antérieures à 6.0.6 |
References
| Title | Publication Time | Tags | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "strongSwan versions ant\u00e9rieures \u00e0 6.0.6",
"product": {
"name": "strongSwan",
"vendor": {
"name": "StrongSwan",
"scada": false
}
}
}
],
"affected_systems_content": "",
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [
{
"name": "CVE-2026-35330",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-35330"
},
{
"name": "CVE-2026-35332",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-35332"
},
{
"name": "CVE-2026-35333",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-35333"
},
{
"name": "CVE-2026-35328",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-35328"
},
{
"name": "CVE-2026-35331",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-35331"
},
{
"name": "CVE-2026-35334",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-35334"
},
{
"name": "CVE-2026-35329",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-35329"
}
],
"initial_release_date": "2026-04-23T00:00:00",
"last_revision_date": "2026-04-23T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-0484",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-04-23T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service \u00e0 distance"
},
{
"description": "Ex\u00e9cution de code arbitraire \u00e0 distance"
},
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans strongSwan. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer une ex\u00e9cution de code arbitraire \u00e0 distance, un d\u00e9ni de service \u00e0 distance et un contournement de la politique de s\u00e9curit\u00e9.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans strongSwan",
"vendor_advisories": [
{
"published_at": "2026-04-22",
"title": "Bulletin de s\u00e9curit\u00e9 StrongSwan cve-2026-35334",
"url": "https://www.strongswan.org//blog/2026/04/22/strongswan-vulnerability-(cve-2026-35334).html"
},
{
"published_at": "2026-04-22",
"title": "Bulletin de s\u00e9curit\u00e9 StrongSwan cve-2026-35329",
"url": "https://www.strongswan.org//blog/2026/04/22/strongswan-vulnerability-(cve-2026-35329).html"
},
{
"published_at": "2026-04-22",
"title": "Bulletin de s\u00e9curit\u00e9 StrongSwan cve-2026-35333",
"url": "https://www.strongswan.org//blog/2026/04/22/strongswan-vulnerability-(cve-2026-35333).html"
},
{
"published_at": "2026-04-22",
"title": "Bulletin de s\u00e9curit\u00e9 StrongSwan cve-2026-35331",
"url": "https://www.strongswan.org//blog/2026/04/22/strongswan-vulnerability-(cve-2026-35331).html"
},
{
"published_at": "2026-04-22",
"title": "Bulletin de s\u00e9curit\u00e9 StrongSwan cve-2026-35330",
"url": "https://www.strongswan.org//blog/2026/04/22/strongswan-vulnerability-(cve-2026-35330).html"
},
{
"published_at": "2026-04-22",
"title": "Bulletin de s\u00e9curit\u00e9 StrongSwan cve-2026-35328",
"url": "https://www.strongswan.org//blog/2026/04/22/strongswan-vulnerability-(cve-2026-35328).html"
},
{
"published_at": "2026-04-22",
"title": "Bulletin de s\u00e9curit\u00e9 StrongSwan cve-2026-35332",
"url": "https://www.strongswan.org//blog/2026/04/22/strongswan-vulnerability-(cve-2026-35332).html"
}
]
}
CERTFR-2026-AVI-0344
Vulnerability from certfr_avis - Published: 2026-03-24 - Updated: 2026-03-24
Une vulnérabilité a été découverte dans strongSwan. Elle permet à un attaquant de provoquer un déni de service à distance.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
| Vendor | Product | Description | ||
|---|---|---|---|---|
| StrongSwan | strongSwan | strongSwan versions antérieures à 6.0.5 |
References
| Title | Publication Time | Tags | |||
|---|---|---|---|---|---|
|
|||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "strongSwan versions ant\u00e9rieures \u00e0 6.0.5",
"product": {
"name": "strongSwan",
"vendor": {
"name": "StrongSwan",
"scada": false
}
}
}
],
"affected_systems_content": "",
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [
{
"name": "CVE-2026-25075",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-25075"
}
],
"initial_release_date": "2026-03-24T00:00:00",
"last_revision_date": "2026-03-24T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-0344",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-03-24T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service \u00e0 distance"
}
],
"summary": "Une vuln\u00e9rabilit\u00e9 a \u00e9t\u00e9 d\u00e9couverte dans strongSwan. Elle permet \u00e0 un attaquant de provoquer un d\u00e9ni de service \u00e0 distance.",
"title": "Vuln\u00e9rabilit\u00e9 dans strongSwan",
"vendor_advisories": [
{
"published_at": "2026-03-23",
"title": "Bulletin de s\u00e9curit\u00e9 StrongSwan cve-2026-25075",
"url": "https://www.strongswan.org//blog/2026/03/23/strongswan-vulnerability-(cve-2026-25075).html"
}
]
}
CERTFR-2025-AVI-1109
Vulnerability from certfr_avis - Published: 2025-12-15 - Updated: 2025-12-15
Une vulnérabilité a été découverte dans StrongSwan. Elle permet à un attaquant de provoquer un contournement de la politique de sécurité.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Des correctifs de sécurité sont mis à disposition par l'éditeur pour certaines versions de strongSwan et NetworkManager-strongswan, se référer à l'avis éditeur.
Impacted products
| Vendor | Product | Description | ||
|---|---|---|---|---|
| StrongSwan | strongSwan | strongSwan versions postérieures à 4.x et antérieures à 6.0.4 | ||
| StrongSwan | strongSwan | greffon NetworkManager-strongswan versions antérieures à 1.6.4 |
References
| Title | Publication Time | Tags | |||
|---|---|---|---|---|---|
|
|||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "strongSwan versions post\u00e9rieures \u00e0 4.x et ant\u00e9rieures \u00e0 6.0.4",
"product": {
"name": "strongSwan",
"vendor": {
"name": "StrongSwan",
"scada": false
}
}
},
{
"description": "greffon NetworkManager-strongswan versions ant\u00e9rieures \u00e0 1.6.4",
"product": {
"name": "strongSwan",
"vendor": {
"name": "StrongSwan",
"scada": false
}
}
}
],
"affected_systems_content": "Des correctifs de s\u00e9curit\u00e9 sont mis \u00e0 disposition par l\u0027\u00e9diteur pour certaines versions de strongSwan et NetworkManager-strongswan, se r\u00e9f\u00e9rer \u00e0 l\u0027avis \u00e9diteur.",
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [
{
"name": "CVE-2025-9615",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-9615"
}
],
"initial_release_date": "2025-12-15T00:00:00",
"last_revision_date": "2025-12-15T00:00:00",
"links": [],
"reference": "CERTFR-2025-AVI-1109",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2025-12-15T00:00:00.000000"
}
],
"risks": [
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
}
],
"summary": "Une vuln\u00e9rabilit\u00e9 a \u00e9t\u00e9 d\u00e9couverte dans StrongSwan. Elle permet \u00e0 un attaquant de provoquer un contournement de la politique de s\u00e9curit\u00e9.",
"title": "Vuln\u00e9rabilit\u00e9 dans strongSwan",
"vendor_advisories": [
{
"published_at": "2025-12-12",
"title": "Bulletin de s\u00e9curit\u00e9 StrongSwan cve-2025-9615",
"url": "https://www.strongswan.org//blog/2025/12/12/strongswan-vulnerability-(cve-2025-9615).html"
}
]
}
CERTFR-2025-AVI-0931
Vulnerability from certfr_avis - Published: 2025-10-28 - Updated: 2025-10-28
Une vulnérabilité a été découverte dans StrongSwan. Elle permet à un attaquant de provoquer une exécution de code arbitraire à distance et un déni de service à distance.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
| Vendor | Product | Description | ||
|---|---|---|---|---|
| StrongSwan | strongSwan | strongSwan versions antérieures à 6.0.3 avec le Greffon eap-mschapv2 |
References
| Title | Publication Time | Tags | |||
|---|---|---|---|---|---|
|
|||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
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"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
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},
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"vendor_advisories": [
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CVE-2026-78135 (GCVE-0-2026-78135)
Vulnerability from cvelistv5 – Published: 2026-09-11 02:07 – Updated: 2026-09-15 15:32
VLAI
EPSS
VEX
Summary
libcharon in strongSwan 5.9.7 through 6.0.7 mishandles behavioral workflow in the IKEv2 state machine. Because CREATE_CHILD_SA requests are mishandled, there can be an authentication bypass.
Severity
5.6 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 15:32 UTC
CWE
- CWE-841 - Improper Enforcement of Behavioral Workflow
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| strongSwan | strongSwan |
Affected:
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(semver)
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CVE-2026-78134 (GCVE-0-2026-78134)
Vulnerability from cvelistv5 – Published: 2026-09-11 02:00 – Updated: 2026-09-11 14:14
VLAI
EPSS
VEX
Summary
strongSwan 4.5.0 through 6.0.7 has Incorrect Access Control in the eap-ttls and eap-peap plugins because there can be a missing or mismatched inner EAP identity.
Severity
7.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-11 14:13 UTC
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| strongSwan | strongSwan |
Affected:
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CVE-2026-78133 (GCVE-0-2026-78133)
Vulnerability from cvelistv5 – Published: 2026-09-11 01:52 – Updated: 2026-09-11 16:54
VLAI
EPSS
VEX
Summary
libcharon in strongSwan 6.0.0 through 6.0.7 has a use-after-free in IKEv2 rekeying collision handling.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-11 16:53 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| strongSwan | strongSwan |
Affected:
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CVE-2026-78132 (GCVE-0-2026-78132)
Vulnerability from cvelistv5 – Published: 2026-09-11 01:49 – Updated: 2026-09-14 18:18
VLAI
EPSS
VEX
Summary
strongSwan 5.1.3 through 6.0.7 has an infinite loop in the x509 plugin's attribute certificate parser for ietfAttrSyntax.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-14 15:10 UTC
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| strongSwan | strongSwan |
Affected:
5.1.3 , < 6.1.0
(semver)
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CVE-2026-78131 (GCVE-0-2026-78131)
Vulnerability from cvelistv5 – Published: 2026-09-11 01:45 – Updated: 2026-09-11 20:04
VLAI
EPSS
VEX
Summary
strongSwan 4.2.0 through 6.0.7 has a missing release of memory after its effective lifetime in the x509 plugin's attribute certificate parser.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-11 20:04 UTC
CWE
- CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| strongSwan | strongSwan |
Affected:
4.2.0 , < 6.1.0
(semver)
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CVE-2026-78130 (GCVE-0-2026-78130)
Vulnerability from cvelistv5 – Published: 2026-09-11 01:43 – Updated: 2026-09-15 15:30
VLAI
EPSS
VEX
Summary
strongSwan 4.2.0 through 6.0.7 has a NULL pointer dereference in the x509 plugin's attribute certificate parser.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 15:30 UTC
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| strongSwan | strongSwan |
Affected:
4.2.0 , < 6.1.0
(semver)
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CVE-2026-78129 (GCVE-0-2026-78129)
Vulnerability from cvelistv5 – Published: 2026-09-11 01:40 – Updated: 2026-09-11 14:16
VLAI
EPSS
VEX
Summary
strongSwan 4.6.2 through 6.0.7 has an infinite loop in PKCS#5 decryption.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-11 14:16 UTC
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| strongSwan | strongSwan |
Affected:
4.6.2 , < 6.1.0
(semver)
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CVE-2026-78127 (GCVE-0-2026-78127)
Vulnerability from cvelistv5 – Published: 2026-09-11 01:37 – Updated: 2026-09-11 17:22
VLAI
EPSS
VEX
Summary
libcharon in strongSwan 4.1.2 through 6.0.7 has a missing release of memory after its effective lifetime in the IKE message parser.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-11 17:20 UTC
CWE
- CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| strongSwan | strongSwan |
Affected:
4.1.2 , < 6.1.0
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CVE-2026-78126 (GCVE-0-2026-78126)
Vulnerability from cvelistv5 – Published: 2026-09-11 01:33 – Updated: 2026-09-14 18:18
VLAI
EPSS
VEX
Summary
strongSwan 4.1.10 through 6.0.7 allows a NULL pointer dereference in the eap-aka plugin.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-14 14:57 UTC
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| strongSwan | strongSwan |
Affected:
4.1.10 , < 6.1.0
(semver)
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CVE-2026-78124 (GCVE-0-2026-78124)
Vulnerability from cvelistv5 – Published: 2026-09-11 01:30 – Updated: 2026-09-11 20:05
VLAI
EPSS
VEX
Summary
strongSwan 5.0.2 through 6.0.7 allows PKCS#7 certificate enumeration in the openssl plugin that leads to a lack of release of memory after its effective lifetime.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-11 20:05 UTC
CWE
- CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| strongSwan | strongSwan |
Affected:
5.0.2 , < 6.1.0
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CVE-2026-78123 (GCVE-0-2026-78123)
Vulnerability from cvelistv5 – Published: 2026-09-11 01:26 – Updated: 2026-09-15 15:25
VLAI
EPSS
VEX
Summary
strongSwan 5.0.2 through 6.0.7 has an Expired Pointer Dereference in PKCS#7 parsing in the openssl plugin.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 15:25 UTC
CWE
- CWE-825 - Expired Pointer Dereference
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| strongSwan | strongSwan |
Affected:
5.0.2 , < 6.1.0
(semver)
cpe:2.3:a:strongswan:strongswan:*:*:*:*:*:*:*:* |
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CVE-2026-47895 (GCVE-0-2026-47895)
Vulnerability from cvelistv5 – Published: 2026-08-22 00:00 – Updated: 2026-08-24 13:01
VLAI
EPSS
VEX
Summary
In strongSwan before 6.0.7, identity parsing/cloning is mishandled. Parsed EAP-Identities that result in an empty but non-NULL encoding are not correctly cloned and trigger a double-free once the duplicates are destroyed.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-24 12:43 UTC
CWE
- CWE-415 - Double Free
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| strongSwan | strongSwan |
Affected:
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cpe:2.3:a:strongswan:strongswan:*:*:*:*:*:*:*:* |
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CVE-2026-25075 (GCVE-0-2026-25075)
Vulnerability from cvelistv5 – Published: 2026-03-23 18:33 – Updated: 2026-07-14 15:53
VLAI
EPSS
VEX
Title
strongSwan 4.5.0 < 6.0.5 EAP-TTLS AVP Parsing Integer Underflow
Summary
strongSwan versions 4.5.0 prior to 6.0.5 contain an integer underflow vulnerability in the EAP-TTLS AVP parser that allows unauthenticated remote attackers to cause a denial of service by sending crafted AVP data with invalid length fields during IKEv2 authentication. Attackers can exploit the failure to validate AVP length fields before subtraction to trigger excessive memory allocation or NULL pointer dereference, crashing the charon IKE daemon.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-25 14:29 UTC
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://www.strongswan.org/blog/2026/03/23/strong… | vendor-advisoryexploit |
| https://www.strongswan.org/blog/2026/03/23/strong… | release-notes |
| https://y637f9qq2x.com/posts/cve-2026-25075/ | technical-descriptionexploit |
| https://www.vulncheck.com/advisories/strongswan-e… | third-party-advisory |
| https://lists.debian.org/debian-lts-announce/2026… |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| strongSwan | strongSwan |
Affected:
4.5.0 , < 6.0.5
(semver)
cpe:2.3:a:strongswan:strongswan:*:*:*:*:*:*:*:* |
Date Public
2026-03-23 00:00
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CVE-2026-25998 (GCVE-0-2026-25998)
Vulnerability from cvelistv5 – Published: 2026-02-19 15:51 – Updated: 2026-02-20 15:42
VLAI
EPSS
VEX
Title
strongMan vulnerable to private credential recovery due to key and counter reuse
Summary
strongMan is a management interface for strongSwan, an OpenSource IPsec-based VPN. When storing credentials in the database (private keys, EAP secrets), strongMan encrypts the corresponding database fields. So far it used AES in CTR mode with a global database key. Together with an initialization vector (IV), a key stream is generated to encrypt the data in the database fields. But because strongMan did not generate individual IVs, every database field was encrypted using the same key stream. An attacker that has access to the database can use this to recover the encrypted credentials. In particular, because certificates, which have to be considered public information, are also encrypted using the same mechanism, an attacker can directly recover a large chunk of the key stream, which allows them to decrypt basically all other secrets especially ECDSA private keys and EAP secrets, which are usually a lot shorter. Version 0.2.0 fixes the issue by switching to AES-GCM-SIV encryption with a random nonce and an individually derived encryption key, using HKDF, for each encrypted value. Database migrations are provided to automatically re-encrypt all credentials.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-20 15:32 UTC
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/strongswan/strongMan/security/… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| strongswan | strongMan |
Affected:
< 0.2.0
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CVE-2025-62291 (GCVE-0-2025-62291)
Vulnerability from cvelistv5 – Published: 2026-01-16 00:00 – Updated: 2026-01-16 19:07
VLAI
EPSS
VEX
Summary
In the eap-mschapv2 plugin (client-side) in strongSwan before 6.0.3, a malicious EAP-MSCHAPv2 server can send a crafted message of size 6 through 8, and cause an integer underflow that potentially results in a heap-based buffer overflow.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-16 18:50 UTC
CWE
- CWE-191 - Integer Underflow (Wrap or Wraparound)
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| strongSwan | strongSwan |
Affected:
4.2.12 , < 6.0.3
(semver)
cpe:2.3:a:strongswan:strongswan:*:*:*:*:*:*:*:* |
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CVE-2022-4967 (GCVE-0-2022-4967)
Vulnerability from cvelistv5 – Published: 2024-05-13 12:09 – Updated: 2025-02-13 16:38
VLAI
EPSS
VEX
Summary
strongSwan versions 5.9.2 through 5.9.5 are affected by authorization bypass through improper validation of certificate with host mismatch (CWE-297). When certificates are used to authenticate clients in TLS-based EAP methods, the IKE or EAP identity supplied by a client is not enforced to be contained in the client's certificate. So clients can authenticate with any trusted certificate and claim an arbitrary IKE/EAP identity as their own. This is problematic if the identity is used to make policy decisions. A fix was released in strongSwan version 5.9.6 in August 2022 (e4b4aabc4996fc61c37deab7858d07bc4d220136).
Severity
7.7 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-05-17 13:10 UTC
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/strongswan/strongswan/commit/e… | patch |
| https://www.strongswan.org/blog/2024/05/13/strong… | vendor-advisory |
| https://www.cve.org/CVERecord?id=CVE-2022-4967 | issue-tracking |
| https://security.netapp.com/advisory/ntap-2024061… |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| strongSwan | strongSwan |
Affected:
5.9.2 , < 5.9.6
(semver)
|
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CVE-2018-5389 (GCVE-0-2018-5389)
Vulnerability from cvelistv5 – Published: 2018-09-06 21:00 – Updated: 2024-08-05 05:33
VLAI
EPSS
VEX
Title
CVE-2018-5389
Summary
The Internet Key Exchange v1 main mode is vulnerable to offline dictionary or brute force attacks. Reusing a key pair across different versions and modes of IKE could lead to cross-protocol authentication bypasses. It is well known, that the aggressive mode of IKEv1 PSK is vulnerable to offline dictionary or brute force attacks. For the main mode, however, only an online attack against PSK authentication was thought to be feasible. This vulnerability could allow an attacker to recover a weak Pre-Shared Key or enable the impersonation of a victim host or network.
Severity
No CVSS data available.
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| strongSwan | Strongswan |
Affected:
5.5.1
|
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CVE-2018-5388 (GCVE-0-2018-5388)
Vulnerability from cvelistv5 – Published: 2018-05-31 00:00 – Updated: 2024-08-05 05:33
VLAI
EPSS
VEX
Summary
In stroke_socket.c in strongSwan before 5.6.3, a missing packet length check could allow a buffer underflow, which may lead to resource exhaustion and denial of service while reading from the socket.
Severity
No CVSS data available.
CWE
Assigner
References
10 references
| URL | Tags |
|---|---|
| http://www.kb.cert.org/vuls/id/338343 | third-party-advisory |
| https://security.gentoo.org/glsa/201811-16 | vendor-advisory |
| https://git.strongswan.org/?p=strongswan.git%3Ba=… | |
| http://www.securityfocus.com/bid/104263 | vdb-entry |
| https://usn.ubuntu.com/3771-1/ | vendor-advisory |
| https://www.debian.org/security/2018/dsa-4229 | vendor-advisory |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisory |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisory |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisory |
| http://packetstormsecurity.com/files/172833/stron… |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| strongSwan | strongSwan |
Affected:
5.6.3 , < 5.6.3
(custom)
|
Date Public
2018-05-22 00:00
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"url": "http://packetstormsecurity.com/files/172833/strongSwan-VPN-Charon-Server-Buffer-Overflow.html"
}
],
"source": {
"discovery": "UNKNOWN"
}
}
},
"cveMetadata": {
"assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b",
"assignerShortName": "certcc",
"cveId": "CVE-2018-5388",
"datePublished": "2018-05-31T00:00:00.000Z",
"dateReserved": "2018-01-12T00:00:00.000Z",
"dateUpdated": "2024-08-05T05:33:44.315Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}