CVE-2025-68973: In GnuPG before 2.4.9, armor_filter in g10/armor.c has two increments of an index variable where one is intended…

CVE-2025-68973 · Severity: high · CVSS 7.8 · Published 2025-12-28

In GnuPG before 2.4.9, 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.)

Technologies: GnuPG. Vendors: GnuPG.

Quick answers

Is CVE-2025-68973 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-68973 being exploited in the wild.
How severe is CVE-2025-68973?
High severity, with a CVSS score of 7.8, published 28 December 2025.
Which products and versions are affected?
GnuPG. The advisory does not name versions.
Is there a fix for CVE-2025-68973?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2025-68973?
Check whether you run GnuPG. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • GnuPG

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