Common Weakness Enumeration
CWE-835
AllowedLoop with Unreachable Exit Condition ('Infinite Loop')
Abstraction: Base · Status: Incomplete
The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.
1228 vulnerabilities reference this CWE, most recent first.
CVE-2026-81876 (GCVE-0-2026-81876)
Vulnerability from cvelistv5 – Published: 2026-09-16 18:48 – Updated: 2026-09-17 14:02
VLAI
EPSS
VEX
Title
HAPI FHIR: SHCParser DEFLATE infinite loop causes denial of service
Summary
HAPI FHIR is a complete implementation of the HL7 FHIR standard for healthcare interoperability in Java. Prior to version 6.9.12, SHCParser in org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/elementmodel/SHCParser.java can enter an infinite loop while processing attacker-controlled Smart Health Card JWT content whose header contains zip: "DEF" and whose raw-DEFLATE payload is empty or truncated. SHCParser.decodeJWT() reaches SHCParser.inflate(), where Inflater.inflate() can return zero while Inflater.finished() remains false and Inflater.needsInput() is true. The loop also lacks an Inflater.needsDictionary() termination check, SHCParser.decompress() contains the same zero-progress pattern, and ResourceChecker.java can reach SHC parsing during file-format detection. A malformed validation request can pin a JVM worker thread indefinitely, and concurrent requests can exhaust all validation workers. This issue is fixed in version 6.9.12.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-17 14:02 UTC
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/hapifhir/org.hl7.fhir.core/sec… | x_refsource_CONFIRM |
| https://github.com/hapifhir/org.hl7.fhir.core/pull/2493 | x_refsource_MISC |
| https://github.com/hapifhir/org.hl7.fhir.core/com… | x_refsource_MISC |
| https://github.com/hapifhir/org.hl7.fhir.core/com… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| hapifhir | org.hl7.fhir.core |
Affected:
< 6.9.12
|
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CVE-2026-80489 (GCVE-0-2026-80489)
Vulnerability from cvelistv5 – Published: 2026-09-15 10:51 – Updated: 2026-09-15 12:22
VLAI
EPSS
VEX
Title
EUC_JISX0213 decoding may hang on crafted input
Summary
Converting crafted EUC_JISX0213 input to UCS-4 or the internal wide character encoding, for example with iconv, in the GNU C Library version 2.3 to 2.44 may result in the converter making no progress, causing the calling application to hang.
Some EUC_JISX0213 sequences decode to two code points. If the output buffer has room for only the first one, the converter stores the second in the conversion state and returns E2BIG, but it never clears that pending character after emitting it on the next call. The converter then keeps emitting the pending character without consuming further input, so an application that retries the conversion loops forever. The input must be attacker controlled and the application must convert it with an output buffer small enough to split the two code points. Only the EUC_JISX0213 character set is affected, which is not commonly used. The related defect in SHIFT_JISX0213 converter is tracked separately as CVE-2026-77117.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 12:21 UTC
CWE
- CWE-835 - Loop with unreachable exit condition ('infinite loop')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://sourceware.org/bugzilla/show_bug.cgi?id=34568 | issue-tracking |
| https://sourceware.org/git/?p=glibc.git;a=blob_pl… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The GNU C Library | glibc |
Affected:
2.3 , ≤ 2.44
(custom)
|
Date Public
2026-08-26 04:00
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CVE-2026-78543 (GCVE-0-2026-78543)
Vulnerability from cvelistv5 – Published: 2026-09-04 15:10 – Updated: 2026-09-04 17:41
VLAI
EPSS
VEX
Title
IBM App Connect Enterprise and IBM Integration Bus for z/OS Adapter nodes are vulnerable to multiple CVEs
Summary
IBM App Connect Enterprise 13.0.1.0 through 13.0.8.1, and 12.0.1.0 through 12.0.12.28 and IBM Integration Bus for z/OS 10.1.0.0 through 10.1.0.7 could allow a remote attacker to cause a denial of service due to an infinite loop.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-04 17:41 UTC
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.ibm.com/support/pages/node/7286372 | vendor-advisorypatch |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| IBM | App Connect Enterprise |
Affected:
13.0.1.0 , ≤ 13.0.8.1
(semver)
Affected: 12.0.1.0 , ≤ 12.0.12.28 (semver) cpe:2.3:a:ibm:app_connect_enterprise:13.0.1.0:*:*:*:*:*:*:* cpe:2.3:a:ibm:app_connect_enterprise:13.0.8.1:*:*:*:*:*:*:* cpe:2.3:a:ibm:app_connect_enterprise:12.0.1.0:*:*:*:*:*:*:* cpe:2.3:a:ibm:app_connect_enterprise:12.0.12.28:*:*:*:*:*:*:* |
|
| IBM | Integration Bus for z/OS |
Affected:
10.1.0.0 , ≤ 10.1.0.7
(semver)
cpe:2.3:a:ibm:integration_bus_for_zos:10.1.0.0:*:*:*:*:*:*:* cpe:2.3:a:ibm:integration_bus_for_zos:10.1.0.7:*:*:*:*:*:*:* |
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CVE-2026-78250 (GCVE-0-2026-78250)
Vulnerability from cvelistv5 – Published: 2026-08-24 13:15 – Updated: 2026-08-27 14:36 Unsupported When Assigned
VLAI
EPSS
VEX
Title
bytebot-ai bytebot Agent Execution Workflow infinite loop
Summary
A vulnerability was identified in bytebot-ai bytebot 0.0.1. The affected element is an unknown function of the component Agent Execution Workflow. Such manipulation leads to infinite loop. The attack may be performed from remote. The exploit is publicly available and might be used. This vulnerability only affects products that are no longer supported by the maintainer.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-27 13:28 UTC
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/394599 | vdb-entry |
| https://vuldb.com/vuln/394599/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-78250 | third-party-advisory |
| https://vuldb.com/submit/886378 | third-party-advisory |
| https://github.com/outlookgp/CVE/tree/main/Bytebo… | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| bytebot-ai | bytebot |
Affected:
0.0.1
cpe:2.3:a:bytebot-ai:bytebot:*:*:*:*:*:*:*:* |
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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:
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(semver)
cpe:2.3:a:strongswan:strongswan:*:*:*:*:*:*:*:* |
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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)
cpe:2.3:a:strongswan:strongswan:*:*:*:*:*:*:*:* |
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CVE-2026-77117 (GCVE-0-2026-77117)
Vulnerability from cvelistv5 – Published: 2026-09-15 10:48 – Updated: 2026-09-15 12:26
VLAI
EPSS
VEX
Title
SHIFT_JISX0213 decoding may hang on crafted input
Summary
Converting crafted SHIFT_JISX0213 input to UCS-4 or the internal wide character encoding, for example with iconv, in the GNU C Library version 2.3 to 2.44 may result in the converter making no progress, causing the calling application to hang.
Some SHIFT_JISX0213 sequences decode to two code points. If the output buffer has room for only the first one, the converter stores the second in the conversion state and returns E2BIG, but it never clears that pending character after emitting it on the next call. The converter then keeps emitting the pending character without consuming further input, so an application that retries the conversion loops forever. The input must be attacker controlled and the application must convert it with an output buffer small enough to split the two code points. Only the SHIFT_JISX0213 character set is affected, which is not commonly used. The related defect in the EUC_JISX0213 converter is tracked separately as CVE-2026-80489.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 12:26 UTC
CWE
- CWE-835 - Loop with unreachable exit condition ('infinite loop')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://sourceware.org/bugzilla/show_bug.cgi?id=34556 | issue-tracking |
| https://sourceware.org/git/?p=glibc.git;a=blob_pl… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The GNU C Library | glibc |
Affected:
2.3 , ≤ 2.44
(custom)
|
Date Public
2026-08-21 04:00
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CVE-2026-72712 (GCVE-0-2026-72712)
Vulnerability from cvelistv5 – Published: 2026-08-11 17:35 – Updated: 2026-08-14 16:51
VLAI
EPSS
VEX
Title
Nmap 7.99 Denial of Service via Zero-Length TCP Option Packet
Summary
Nmap versions up to and including 7.99 contains a denial of service vulnerability that allows remote attackers to crash the application by sending a crafted packet containing a zero-length TCP option. The malformed packet forces the Packet:parse_options() function in nselib/packet.lua to allocate objects in an infinite loop, causing an out-of-memory condition that results in application crash.
Severity
6.5 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-13 14:12 UTC
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/nmap/nmap | product |
| https://github.com/nmap/nmap/issues/3368 | issue-tracking |
| https://github.com/nmap/nmap/commit/7ef4ee030a002… | patch |
| https://www.vulncheck.com/advisories/nmap-denial-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Nmap Project | Nmap |
Affected:
0 , ≤ 7.99
(custom)
cpe:2.3:a:nmap:nmap:*:*:*:*:*:*:*:* |
Date Public
2026-08-11 00:00
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CVE-2026-71436 (GCVE-0-2026-71436)
Vulnerability from cvelistv5 – Published: 2026-08-06 19:49 – Updated: 2026-08-07 16:17
VLAI
EPSS
VEX
Title
Mermaid XY Charts are vulnerable to an infinite loop DoS
Summary
Mermaid is a JavaScript tool that uses Markdown-inspired text to create and modify diagrams and charts. From version 10.6.0 until 10.9.8 and 11.16.1, Mermaid XY Charts are vulnerable to an infinite loop denial of service in the setXAxisRangeData function when configuring an X-Axis with invalid parameters. Because each loop iteration appends an element to an array, this generally causes a RangeError to appear after a few seconds, but it may instead cause the page or JavaScript process to crash from memory exhaustion, depending on the environment. This issue is fixed in versions 10.9.8 and 11.16.1.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-07 16:15 UTC
CWE
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/mermaid-js/mermaid/security/ad… | x_refsource_CONFIRM |
| https://github.com/mermaid-js/mermaid/pull/8022 | x_refsource_MISC |
| https://github.com/mermaid-js/mermaid/commit/630a… | x_refsource_MISC |
| https://github.com/mermaid-js/mermaid/commit/ef60… | x_refsource_MISC |
| https://github.com/mermaid-js/mermaid/releases/ta… | x_refsource_MISC |
| https://github.com/mermaid-js/mermaid/releases/ta… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| mermaid-js | mermaid |
Affected:
>= 10.6.0, < 10.9.8
Affected: >= 11.0.0-alpha.1, < 11.16.1 |
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CVE-2026-71227 (GCVE-0-2026-71227)
Vulnerability from cvelistv5 – Published: 2026-08-05 12:42 – Updated: 2026-09-21 12:13
VLAI
EPSS
VEX
Title
Libkcapi: infinite loop denial of service in libkcapi _kcapi_aio_read_all() due to unhandled io_getevents() timeout return
Summary
A flaw was found in libkcapi. A local attacker can influence an application that uses the Asynchronous Input/Output (AIO) interface. By reusing an AIO-enabled handle after a prior completion error, the _kcapi_aio_read_all() function can enter a non-terminating wait loop. This can lead to a persistent denial of service, making the affected application or thread unresponsive.
Severity
5.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-05 13:10 UTC
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2026:56985 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:67265 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:67266 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:67267 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:69285 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2026-71227 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2462867 | issue-trackingx_refsource_REDHAT |
Impacted products
7 products
| Vendor | Product | Version | |
|---|---|---|---|
| Stephan Muelle | libkcapi |
Affected:
0.12.0 , < 1.5.1
(semver)
|
|
| Red Hat | Red Hat Enterprise Linux 10 |
Unaffected:
0:1.5.1-1.el10_2 , < *
(rpm)
cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux 10.0 Extended Update Support |
Unaffected:
0:1.5.0-6.el10_0 , < *
(rpm)
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
0:1.4.0-3.el8_10 , < *
(rpm)
cpe:/o:redhat:enterprise_linux:8::baseos |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:1.4.0-3.el9_8 , < *
(rpm)
cpe:/o:redhat:enterprise_linux:9::baseos |
|
| Red Hat | Red Hat Hardened Images |
Unaffected:
1.5.1-0.1.hum1 , < *
(rpm)
cpe:/a:redhat:hummingbird:1 |
|
| Red Hat | Red Hat OpenShift Container Platform 4 |
cpe:/a:redhat:openshift:4
|
Date Public
2026-08-05 12:29
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No mitigation information available for this CWE.
No CAPEC attack patterns related to this CWE.