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Gnupg CVE-2026-24883

LOW
NULL Pointer Dereference (CWE-476)
2026-01-27 cve@mitre.org
3.7
CVSS 3.1 · NVD

Severity by source

NVD PRIMARY
3.7 LOW
AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
Patch released
Feb 06, 2026 - 18:06 nvd
Patch available
CVE Published
Jan 27, 2026 - 19:16 nvd
LOW 3.7

DescriptionCVE.org

In GnuPG before 2.5.17, a long signature packet length causes parse_signature to return success with sig->data[] set to a NULL value, leading to a denial of service (application crash).

AnalysisAI

In GnuPG before 2.5.17, a long signature packet length causes parse_signature to return success with sig->data[] set to a NULL value, leading to a denial of service (application crash). [CVSS 3.7 LOW]

Technical ContextAI

Classified as CWE-476 (NULL Pointer Dereference). Affects Gnupg. In GnuPG before 2.5.17, a long signature packet length causes parse_signature to return success with sig->data[] set to a NULL value, leading to a denial of service (application crash).

RemediationAI

A vendor patch is available — apply it immediately. Restrict network access to the affected service where possible.

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CVE-2026-24883 vulnerability details – vuln.today

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