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9 vulnerabilities by ClamAV
CERTFR-2026-AVI-0992
Vulnerability from certfr_avis - Published: 2026-08-10 - Updated: 2026-08-10
De multiples vulnérabilités ont été découvertes dans ClamAV. Certaines d'entre elles permettent à un attaquant de provoquer une atteinte à la confidentialité des données, un déni de service et un problème de sécurité non spécifié par l'éditeur.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
References
| Title | Publication Time | Tags | |||
|---|---|---|---|---|---|
|
|||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "ClamAV versions ant\u00e9rieures \u00e0 1.4.6",
"product": {
"name": "ClamAV",
"vendor": {
"name": "ClamAV",
"scada": false
}
}
},
{
"description": "ClamAV versions 1.5.x ant\u00e9rieures \u00e0 1.5.4",
"product": {
"name": "ClamAV",
"vendor": {
"name": "ClamAV",
"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-2025-8088",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-8088"
},
{
"name": "CVE-2026-20348",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-20348"
},
{
"name": "CVE-2026-20347",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-20347"
},
{
"name": "CVE-2026-20346",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-20346"
},
{
"name": "CVE-2026-20345",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-20345"
},
{
"name": "CVE-2026-20338",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-20338"
},
{
"name": "CVE-2026-20337",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-20337"
},
{
"name": "CVE-2026-20339",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-20339"
}
],
"initial_release_date": "2026-08-10T00:00:00",
"last_revision_date": "2026-08-10T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-0992",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-08-10T00:00:00.000000"
}
],
"risks": [
{
"description": "Non sp\u00e9cifi\u00e9 par l\u0027\u00e9diteur"
},
{
"description": "D\u00e9ni de service"
},
{
"description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans ClamAV. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es, un d\u00e9ni de service et un probl\u00e8me de s\u00e9curit\u00e9 non sp\u00e9cifi\u00e9 par l\u0027\u00e9diteur.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans ClamAV",
"vendor_advisories": [
{
"published_at": "2026-08-07",
"title": "Bulletin de s\u00e9curit\u00e9 ClamAV clamav-154-and-146-security-patch",
"url": "https://blog.clamav.net/2026/08/clamav-154-and-146-security-patch.html"
}
]
}
CERTFR-2026-AVI-0824
Vulnerability from certfr_avis - Published: 2026-07-02 - Updated: 2026-07-02
De multiples vulnérabilités ont été découvertes dans ClamAV. Elles permettent à un attaquant de provoquer un déni de service et un problème de sécurité non spécifié par l'éditeur.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
References
| Title | Publication Time | Tags | |||
|---|---|---|---|---|---|
|
|||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "ClamAV versions ant\u00e9rieures \u00e0 1.4.5",
"product": {
"name": "ClamAV",
"vendor": {
"name": "ClamAV",
"scada": false
}
}
},
{
"description": "ClamAV versions 1.5.x ant\u00e9rieures \u00e0 1.5.3",
"product": {
"name": "ClamAV",
"vendor": {
"name": "ClamAV",
"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-2026-20216",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-20216"
},
{
"name": "CVE-2026-20243",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-20243"
},
{
"name": "CVE-2026-20215",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-20215"
},
{
"name": "CVE-2026-20213",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-20213"
},
{
"name": "CVE-2026-20214",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-20214"
},
{
"name": "CVE-2026-20217",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-20217"
},
{
"name": "CVE-2026-20244",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-20244"
},
{
"name": "CVE-2026-41676",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-41676"
}
],
"initial_release_date": "2026-07-02T00:00:00",
"last_revision_date": "2026-07-02T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-0824",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-07-02T00:00:00.000000"
}
],
"risks": [
{
"description": "Non sp\u00e9cifi\u00e9 par l\u0027\u00e9diteur"
},
{
"description": "D\u00e9ni de service"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans ClamAV. Elles permettent \u00e0 un attaquant de provoquer un d\u00e9ni de service et un probl\u00e8me de s\u00e9curit\u00e9 non sp\u00e9cifi\u00e9 par l\u0027\u00e9diteur.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans ClamAV",
"vendor_advisories": [
{
"published_at": "2026-07-01",
"title": "Bulletin de s\u00e9curit\u00e9 ClamAV clamav-153-and-145-security-patch",
"url": "https://blog.clamav.net/2026/07/clamav-153-and-145-security-patch.html"
}
]
}
CERTFR-2026-AVI-0241
Vulnerability from certfr_avis - Published: 2026-03-05 - Updated: 2026-03-05
Une vulnérabilité a été découverte dans ClamAV. Elle permet à un attaquant de provoquer un déni de service.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
References
| Title | Publication Time | Tags | |||
|---|---|---|---|---|---|
|
|||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "ClamAV versions post\u00e9rieures \u00e0 1.1.0 et ant\u00e9rieures \u00e0 1.4.4 ou 1.5.2",
"product": {
"name": "ClamAV",
"vendor": {
"name": "ClamAV",
"scada": false
}
}
}
],
"affected_systems_content": "",
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [
{
"name": "CVE-2026-20031",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-20031"
}
],
"initial_release_date": "2026-03-05T00:00:00",
"last_revision_date": "2026-03-05T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-0241",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-03-05T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service"
}
],
"summary": "Une vuln\u00e9rabilit\u00e9 a \u00e9t\u00e9 d\u00e9couverte dans ClamAV. Elle permet \u00e0 un attaquant de provoquer un d\u00e9ni de service.",
"title": "Vuln\u00e9rabilit\u00e9 dans ClamAV",
"vendor_advisories": [
{
"published_at": "2026-03-04",
"title": "Bulletin de s\u00e9curit\u00e9 ClamAV clamav-152-and-144-security-patch",
"url": "https://blog.clamav.net/2026/03/clamav-152-and-144-security-patch.html"
}
]
}
CERTFR-2025-AVI-0522
Vulnerability from certfr_avis - Published: 2025-06-19 - Updated: 2025-06-19
De multiples vulnérabilités ont été découvertes dans ClamAV. Certaines d'entre elles permettent à un attaquant de provoquer une exécution de code arbitraire à distance, un déni de service à distance et une atteinte à la confidentialité des données.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
References
| Title | Publication Time | Tags | |||
|---|---|---|---|---|---|
|
|||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "ClamAV versions 1.0.x ant\u00e9rieures \u00e0 1.0.9",
"product": {
"name": "ClamAV",
"vendor": {
"name": "ClamAV",
"scada": false
}
}
},
{
"description": "ClamAV versions 1.4.x ant\u00e9rieures \u00e0 1.4.3",
"product": {
"name": "ClamAV",
"vendor": {
"name": "ClamAV",
"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-2025-20260",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-20260"
},
{
"name": "CVE-2025-20234",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-20234"
}
],
"initial_release_date": "2025-06-19T00:00:00",
"last_revision_date": "2025-06-19T00:00:00",
"links": [],
"reference": "CERTFR-2025-AVI-0522",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2025-06-19T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service \u00e0 distance"
},
{
"description": "Ex\u00e9cution de code arbitraire \u00e0 distance"
},
{
"description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans ClamAV. 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 une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans ClamAV",
"vendor_advisories": [
{
"published_at": "2025-06-18",
"title": "Bulletin de s\u00e9curit\u00e9 ClamAV clamav-143-and-109-security-patch",
"url": "https://blog.clamav.net/2025/06/clamav-143-and-109-security-patch.html"
}
]
}
CERTFR-2025-AVI-0068
Vulnerability from certfr_avis - Published: 2025-01-24 - Updated: 2025-01-24
Une vulnérabilité a été découverte dans ClamAV. 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
References
| Title | Publication Time | Tags | |||
|---|---|---|---|---|---|
|
|||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "ClamAV versions 1.0.x ant\u00e9rieures \u00e0 1.0.8",
"product": {
"name": "ClamAV",
"vendor": {
"name": "ClamAV",
"scada": false
}
}
},
{
"description": "ClamAV versions 1.4.x ant\u00e9rieures \u00e0 1.4.2",
"product": {
"name": "ClamAV",
"vendor": {
"name": "ClamAV",
"scada": false
}
}
}
],
"affected_systems_content": "",
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [
{
"name": "CVE-2025-20128",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-20128"
}
],
"initial_release_date": "2025-01-24T00:00:00",
"last_revision_date": "2025-01-24T00:00:00",
"links": [],
"reference": "CERTFR-2025-AVI-0068",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2025-01-24T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service \u00e0 distance"
}
],
"summary": "Une vuln\u00e9rabilit\u00e9 a \u00e9t\u00e9 d\u00e9couverte dans ClamAV. Elle permet \u00e0 un attaquant de provoquer un d\u00e9ni de service \u00e0 distance.",
"title": "Vuln\u00e9rabilit\u00e9 dans ClamAV",
"vendor_advisories": [
{
"published_at": "2025-01-22",
"title": "Bulletin de s\u00e9curit\u00e9 ClamAV",
"url": "https://blog.clamav.net/2025/01/clamav-142-and-108-security-patch.html"
}
]
}
CERTFR-2024-AVI-0744
Vulnerability from certfr_avis - Published: 2024-09-05 - Updated: 2024-09-05
De multiples vulnérabilités ont été découvertes dans ClamAV. Elles permettent à un attaquant de provoquer une atteinte à l'intégrité des données et un déni de service.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
References
| Title | Publication Time | Tags | |||
|---|---|---|---|---|---|
|
|||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "ClamAV versions ant\u00e9rieures \u00e0 0.103.12",
"product": {
"name": "ClamAV",
"vendor": {
"name": "ClamAV",
"scada": false
}
}
},
{
"description": "ClamAV versions 1.3.x ant\u00e9rieures \u00e0 1.3.2",
"product": {
"name": "ClamAV",
"vendor": {
"name": "ClamAV",
"scada": false
}
}
},
{
"description": "ClamAV versions 1.4.x ant\u00e9rieures \u00e0 1.4.1",
"product": {
"name": "ClamAV",
"vendor": {
"name": "ClamAV",
"scada": false
}
}
},
{
"description": "ClamAV versions 1.0.x ant\u00e9rieures \u00e0 1.0.7",
"product": {
"name": "ClamAV",
"vendor": {
"name": "ClamAV",
"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-2024-20506",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-20506"
},
{
"name": "CVE-2024-20505",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-20505"
}
],
"initial_release_date": "2024-09-05T00:00:00",
"last_revision_date": "2024-09-05T00:00:00",
"links": [],
"reference": "CERTFR-2024-AVI-0744",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2024-09-05T00:00:00.000000"
}
],
"risks": [
{
"description": "Atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es"
},
{
"description": "D\u00e9ni de service"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans ClamAV. Elles permettent \u00e0 un attaquant de provoquer une atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es et un d\u00e9ni de service.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans ClamAV",
"vendor_advisories": [
{
"published_at": "2024-09-04",
"title": "Bulletin de s\u00e9curit\u00e9 ClamAV clamav-141-132-107-and-010312",
"url": "https://blog.clamav.net/2024/09/clamav-141-132-107-and-010312-security.html"
}
]
}
CVE-2020-37167 (GCVE-0-2020-37167)
Vulnerability from cvelistv5 – Published: 2026-02-12 22:48 – Updated: 2026-09-30 17:19
VLAI
EPSS
VEX
Title
ClamAV ClamBC < 0.103.0-rc - 'ClamBC' Executable Regular Expression Error
Summary
ClamAV versions prior to 0.103.0-rc contain a vulnerability in function name processing through the ClamBC bytecode interpreter that allows attackers to manipulate bytecode function names. Attackers can exploit the weak input validation in function name encoding to potentially execute malicious bytecode or cause unexpected behavior in the ClamAV engine.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-13 17:08 UTC
CWE
- Improper Control of Generation of Code ('Code Injection')
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/47687 | exploit |
| https://github.com/Cisco-Talos/clamav/commit/cd2f… | patch |
| https://www.clamav.net/ | product |
| https://www.vulncheck.com/advisories/clamav-clamb… | third-party-advisory |
Impacted products
Date Public
2019-11-02 00:00
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2020-37167",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-02-13T17:08:35.606676Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-02-13T17:08:48.384Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "ClamBC",
"vendor": "ClamAV",
"versions": [
{
"lessThan": "0.103.0-rc",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:clamav:clamav:0.103.0:rc:*:*:*:*:*:*",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"datePublic": "2019-11-02T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cp\u003eClamAV versions prior to 0.103.0-rc \u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003econtain a vulnerability in function name processing through the\u0026nbsp;\u003c/span\u003eClamBC bytecode interpreter that allows attackers to manipulate bytecode function names. Attackers can exploit the weak input validation in function name encoding to potentially execute malicious bytecode or cause unexpected behavior in the ClamAV engine.\u003c/p\u003e"
}
],
"value": "ClamAV versions prior to 0.103.0-rc contain a vulnerability in function name processing through the\u00a0ClamBC bytecode interpreter that allows attackers to manipulate bytecode function names. Attackers can exploit the weak input validation in function name encoding to potentially execute malicious bytecode or cause unexpected behavior in the ClamAV engine."
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "LOCAL",
"baseScore": 8.6,
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CVE-2019-15961 (GCVE-0-2019-15961)
Vulnerability from cvelistv5 – Published: 2020-01-15 19:05 – Updated: 2024-11-15 17:48
VLAI
EPSS
VEX
Title
Clam AntiVirus (ClamAV) Software Email Parsing Vulnerability
Summary
A vulnerability in the email parsing module Clam AntiVirus (ClamAV) Software versions 0.102.0, 0.101.4 and prior could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to inefficient MIME parsing routines that result in extremely long scan times of specially formatted email files. An attacker could exploit this vulnerability by sending a crafted email file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process to scan the crafted email file indefinitely, resulting in a denial of service condition.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-11-15 16:22 UTC
CWE
- CWE-20 - Improper Input Validation
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://bugzilla.clamav.net/show_bug.cgi?id=12380 | vendor-advisoryx_refsource_CISCO |
| https://quickview.cloudapps.cisco.com/quickview/b… | vendor-advisoryx_refsource_CISCO |
| https://usn.ubuntu.com/4230-2/ | vendor-advisoryx_refsource_UBUNTU |
| https://lists.debian.org/debian-lts-announce/2020… | mailing-listx_refsource_MLIST |
| https://security.gentoo.org/glsa/202003-46 | vendor-advisoryx_refsource_GENTOO |
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CVE-2007-6745 (GCVE-0-2007-6745)
Vulnerability from cvelistv5 – Published: 2019-11-07 22:15 – Updated: 2024-08-07 16:18
VLAI
EPSS
VEX
Summary
clamav 0.91.2 suffers from a floating point exception when using ScanOLE2.
Severity
No CVSS data available.
CWE
- Other
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://security-tracker.debian.org/tracker/CVE-2… | x_refsource_MISC |
| https://access.redhat.com/security/cve/cve-2007-6745 | x_refsource_MISC |
| http://www.openwall.com/lists/oss-security/2012/03/29/2 | x_refsource_MISC |
Date Public
2012-03-12 00:00
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