CVE-2025-68973: In GnuPG through 2.4.8, armor_filter in g10/armor.c has two increments of an index variable where one is intended, leading to an out-of-bounds write for crafted input. (For ExtendedLTS, 2.2.51 and later are fixed versions.)

Overview

Severity

High (CVSS 7.8)

CVSS Vector

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N/E:P

Exploit Status

Not Exploited

Patch Tuesday

2025-Dec

Released

2025-12-30

Last Updated

2026-02-25

EPSS Score

0.02% (percentile: 4.7%)

Affected Products (2)

Other

• 20333-17084
• 20331-17086

Revision History

• 2025-12-30: Information published.
• 2026-01-03: Information published.
• 2026-01-06: Information published.
• 2026-02-25: Information published.