CVE-2026-24883

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-24883
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).

3.7 /10

CVSS v3 : LOW

V3 Legend

Vector :

Exploitability : 2.2 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References
Link Resource
https://dev.gnupg.org/T8049 Patch Product
https://www.openwall.com/lists/oss-security/2026/01/27/8 Mailing List Third Party Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:gnupg:gnupg:*:*:*:*:-:*:*:*
cpe:2.3:a:gpg4win:gpg4win:*:*:*:*:*:*:*:*
History

06 Feb 2026, 18:06

Type Values Removed Values Added
References () https://dev.gnupg.org/T8049 - () https://dev.gnupg.org/T8049 - Patch, Product
References () https://www.openwall.com/lists/oss-security/2026/01/27/8 - () https://www.openwall.com/lists/oss-security/2026/01/27/8 - Mailing List, Third Party Advisory
CPE cpe:2.3:a:gnupg:gnupg:*:*:*:*:-:*:*:*
cpe:2.3:a:gpg4win:gpg4win:*:*:*:*:*:*:*:*
First Time Gnupg gnupg
Gpg4win
Gnupg
Gpg4win gpg4win

27 Jan 2026, 19:16

Type Values Removed Values Added
New CVE
Information

Published : 2026-01-27 19:16

Updated : 2026-02-06 18:06

NVD link : CVE-2026-24883

Mitre link : CVE-2026-24883

CVE.ORG link : CVE-2026-24883

JSON object : View

Products Affected

gpg4win

  • gpg4win

gnupg

  • gnupg
CWE
CWE-476

NULL Pointer Dereference