Common Weakness Enumeration

CWE-835

Allowed

Loop with Unreachable Exit Condition ('Infinite Loop')

Abstraction: Base · Status: Incomplete

API response cwe.mitre.org

The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.

446 vulnerabilities reference this CWE, most recent first.

CVE-2026-125073 (GCVE-0-2026-125073)

Vulnerability from cvelistv5 – Published: 2026-11-09 19:10 – Updated: 2026-11-09 21:06
VLAI
Title
FFmpeg through 9.0.2 Infinite Loop Denial of Service via IMC/IAC Decoder
Summary
FFmpeg through 9.0.2 contains an infinite loop vulnerability in bit_allocation() in libavcodec/imc.c that allows attackers to hang decoding by supplying audio blocks with a negative bit budget. Attackers can craft IMC or IAC audio files that drive freebits negative, causing the reduction loop to never terminate and consuming 100% CPU.
Severity
6.8 (Medium)
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-09 21:04 UTC
CWE
  • CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
VulnCheck CNA
References
Impacted products
Vendor Product Version
FFmpeg FFmpeg Affected: 0 , ≤ 9.0.2 (semver)
    cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-10-30 00:00
Credits
Joshua Rogers (AISLE Research) Michael Niedermayer
Show details on NVD website
To clipboard 

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CVE-2026-123964 (GCVE-0-2026-123964)

Vulnerability from cvelistv5 – Published: 2026-11-07 12:45 – Updated: 2026-11-07 12:45
VLAI
Title
OpenBMB Internet of Agents Collaboration Layer communication_layer.py launch_goal infinite loop
Summary
A vulnerability was detected in OpenBMB Internet of Agents up to 9d78e88e47160eb42ee1ee8538c05e1c2c47877a. This affects the function launch_goal of the file im_client/communication/communication_layer.py of the component Collaboration Layer. Performing a manipulation of the argument max_turns results in infinite loop. The attack may be initiated remotely. The exploit is now public and may be used. This product uses a rolling release model to deliver continuous updates. As a result, specific version information for affected or updated releases is not available. The project was informed of the problem early through an issue report but has not responded yet.
Severity
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:C
4.3 (Medium)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:C
CWE
Assigner
VulDB CNA
References
URL Tags
https://vuldb.com/vuln/432034 vdb-entrytechnical-description
https://vuldb.com/vuln/432034/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-123964 third-party-advisory
https://vuldb.com/submit/1033798 third-party-advisory
https://github.com/OpenBMB/IoA/issues/22 exploitissue-tracking
Impacted products
Vendor Product Version
OpenBMB Internet of Agents Affected: 9d78e88e47160eb42ee1ee8538c05e1c2c47877a
    cpe:2.3:a:openbmb:internet_of_agents:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
Evo1ution (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

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CVE-2026-123785 (GCVE-0-2026-123785)

Vulnerability from cvelistv5 – Published: 2026-11-06 15:01 – Updated: 2026-11-06 16:46
VLAI
Title
Fluxbox through 1.3.7 Infinite Loop via Menu::updateMenu() Style Geometry
Summary
Fluxbox through 1.3.7 contains an infinite loop vulnerability in Menu::updateMenu() in src/FbTk/Menu.cc that allows attackers to hang the window manager via crafted style geometry values. Attackers can supply a style with an oversized unbounded menu.titleHeight so the column loop never terminates, causing sustained CPU use and denial of service at startup.
Severity
6.8 (Medium)
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-06 16:46 UTC
CWE
  • CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
VulnCheck CNA
References
Impacted products
Vendor Product Version
fluxbox fluxbox Affected: 0 , ≤ 1.3.7 (custom)
Create a notification for this product.
Date Public
2026-11-01 00:00
Credits
Igor Marcel
Show details on NVD website
To clipboard 

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CVE-2026-123607 (GCVE-0-2026-123607)

Vulnerability from cvelistv5 – Published: 2026-11-08 01:38 – Updated: 2026-11-08 01:38
VLAI
Title
Hickory DNS NSEC3 Closest-Encloser Proof Unbounded Loop Denial of Service
Summary
Hickory DNS hickory-proto 0.25.0-alpha.3 through 0.25.2 and hickory-net before 0.26.1 contain an unbounded loop vulnerability in DnssecDnsHandle NSEC3 closest-encloser proof validation when the SOA owner is not an ancestor of the QNAME. Upstream attackers can return NoData or NXDomain responses with a cross-zone SOA record to panic debug builds or exhaust memory in release builds.
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
VulnCheck CNA
References
Impacted products
Vendor Product Version
hickory-dns hickory-dns Affected: 0.25.0-alpha.3 , ≤ 0.25.2 (semver)
Create a notification for this product.
hickory-dns hickory-dns Affected: 0.26.0-alpha.1 , < 0.26.1 (semver)
Unaffected: 0.26.1 (semver)
Create a notification for this product.
Date Public
2026-05-01 00:00
Show details on NVD website
To clipboard 

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CVE-2026-123604 (GCVE-0-2026-123604)

Vulnerability from cvelistv5 – Published: 2026-11-08 01:38 – Updated: 2026-11-08 01:38
VLAI
Title
Hickory DNS 0.26.0-beta.1 before 0.26.2 Resource Exhaustion DoS via NameServerPool::try_send TC-Retry Loop
Summary
Hickory DNS hickory-resolver 0.26.0-beta.1 before 0.26.2 contains an unbounded retry loop in NameServerPool::try_send, which re-queues truncated (TC) responses without checking the answering transport or counting iterations. A malicious authoritative server returning TC=1 on every transport keeps the resolver spinning on a persistent TCP connection until the 5-second request deadline expires, causing resource exhaustion.
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
VulnCheck CNA
References
Impacted products
Vendor Product Version
hickory-dns hickory-dns Affected: 0.26.0-beta.1 , < 0.26.2 (semver)
Unaffected: 0.26.2 (semver)
Create a notification for this product.
Date Public
2026-09-03 00:00
Credits
qifan-sailboat
Show details on NVD website
To clipboard 

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CVE-2026-123273 (GCVE-0-2026-123273)

Vulnerability from cvelistv5 – Published: 2026-11-05 18:45 – Updated: 2026-11-09 22:36
VLAI
Title
ImageMagick before 7.1.2-35 and 6.9.13-60 Infinite Loop via SVG Decoder
Summary
ImageMagick before 7.1.2-35 and 6.9.13-60 contains an infinite loop vulnerability in the SVG decoder because QueueAuthenticPixelCacheNexus in MagickCore/cache.c fails to validate requested region width and height. Attackers can supply a crafted SVG image that repeatedly requests a non-advancing pixel region, consuming CPU and hanging the decoding worker.
Severity
7.1 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-09 22:36 UTC
CWE
  • CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
VulnCheck CNA
References
Impacted products
Vendor Product Version
ImageMagick ImageMagick Affected: 7.0.0 , < 7.1.2-35 (custom)
Affected: 0 , < 6.9.13-60 (custom)
    cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:*
    cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-11-01 00:00
Credits
Santiko Kusnul Hakim dlemstra
Show details on NVD website
To clipboard 

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CVE-2026-122305 (GCVE-0-2026-122305)

Vulnerability from cvelistv5 – Published: 2026-11-05 02:25 – Updated: 2026-11-09 16:54
VLAI
Title
Kyverno before 1.19.2 Denial of Service via Nested Variable Substitution Loop
Summary
Kyverno before 1.19.2 contains a denial of service vulnerability in substituteVariablesIfAny that allows low-privileged users to hang the admission webhook via self-referential variable templates. Attackers can create resources whose annotations re-introduce the embedded policy variable, causing unbounded substitution loops that exhaust CPU and memory and block cluster-wide admission.
Severity
8.3 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H
7.7 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-09 16:09 UTC
CWE
  • CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
VulnCheck CNA
References
Impacted products
Vendor Product Version
kyverno kyverno Affected: 0 , < 1.19.2 (semver)
Unaffected: 1.19.2 (semver)
    cpe:2.3:a:kyverno:kyverno:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-10-21 00:00
Credits
1diot9
Show details on NVD website
To clipboard 

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CVE-2026-122054 (GCVE-0-2026-122054)

Vulnerability from cvelistv5 – Published: 2026-11-04 17:17 – Updated: 2026-11-09 21:07
VLAI
Title
BIG-HKSCS decoding hang on crafted input
Summary
Converting crafted BIG-HKSCS input to UCS-4 or the internal wide character encoding, for example with iconv, in the GNU C Library version 2.18 through 2.31 may result in the converter making no progress, causing the calling application to hang.
Severity
5.9 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-09 21:07 UTC
CWE
  • CWE-835 - Loop with unreachable exit condition ('infinite loop')
Assigner
glibc CNA
References
Impacted products
Vendor Product Version
The GNU C Library glibc Affected: 2.18 , ≤ 2.31 (custom)
Create a notification for this product.
Date Public
2020-03-27 04:00
Credits
Tom Honermann
Show details on NVD website
To clipboard 

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CVE-2026-121959 (GCVE-0-2026-121959)

Vulnerability from cvelistv5 – Published: 2026-11-04 15:33 – Updated: 2026-11-04 18:28
VLAI
Title
FreeRDP before 3.32.2 Infinite Loop via Truncated WebSocket Frame
Summary
FreeRDP before 3.32.2 contains an infinite loop vulnerability in websocket_context_read that fails to handle a zero BIO result with payload outstanding. A malicious RD Gateway can send a truncated WebSocket frame followed by a TLS close_notify, causing a client thread to spin and consume CPU until killed.
Severity
7.1 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-04 18:27 UTC
CWE
  • CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
VulnCheck CNA
References
Impacted products
Vendor Product Version
FreeRDP FreeRDP Affected: 0 , < 3.32.2 (semver)
Unaffected: 3.32.2 (semver)
    cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-10-20 00:00
Credits
Kushalkhemka mayank-jangid-moon opensec-intelligence
Show details on NVD website
To clipboard 

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CVE-2026-121944 (GCVE-0-2026-121944)

Vulnerability from cvelistv5 – Published: 2026-11-04 12:31 – Updated: 2026-11-04 18:51
VLAI
Title
sngrep through 1.9.0 Infinite Loop DoS via Crafted NFLOG TLV
Summary
sngrep through 1.9.0 contains an infinite loop vulnerability in capture_packet_reasm_ip() in src/capture.c that allows attackers to cause denial of service via crafted NFLOG TLVs. Attackers can supply a pcap file with link type NFLOG containing a non-payload TLV with length under 4, making the capture thread spin at full CPU and stop processing packets.
Severity
6.8 (Medium)
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-04 18:50 UTC
CWE
  • CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
VulnCheck CNA
References
Impacted products
Vendor Product Version
irontec sngrep Affected: 0 , ≤ 1.9.0 (semver)
    cpe:2.3:a:irontec:sngrep:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-10-21 13:36
Credits
HaiND from the Post and Telecommunication Institute of Technology
Show details on NVD website
To clipboard 

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            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-835",
              "description": "Loop with Unreachable Exit Condition (\u0027Infinite Loop\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-11-04T12:31:21.803Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/irontec/sngrep/issues/589"
        },
        {
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://hackmd.io/@haindpwn/sngrep-sip-payload-missing-nul-oob-read"
        },
        {
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/irontec/sngrep/blob/v1.9.0/src/capture.c#L581-L598"
        },
        {
          "name": "VulnCheck Advisory: sngrep through 1.9.0 Infinite Loop DoS via Crafted NFLOG TLV",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/sngrep-through-1.9.0-infinite-loop-dos-via-crafted-nflog-tlv"
        }
      ],
      "title": "sngrep through 1.9.0 Infinite Loop DoS via Crafted NFLOG TLV",
      "x_generator": {
        "engine": "vulncheck-endgame"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-121944",
    "datePublished": "2026-11-04T12:31:21.803Z",
    "dateReserved": "2026-11-04T12:05:51.303Z",
    "dateUpdated": "2026-11-04T18:51:15.773Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

No mitigation information available for this CWE.

No CAPEC attack patterns related to this CWE.

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