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).

CVSS v3 3.7 LOW

3.7^/10

CVSS v3 : LOW

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

No history.

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

gnupg

gnupg

gpg4win

gpg4win

CWE

CWE-476

NULL Pointer Dereference

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