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CVE-2025-68973

CVE Details

Visit the official vulnerability details page for CVE-2025-68973 to learn more.

Initial Publication

01/01/2026

Last Update

02/12/2026

Third Party Dependency

gpgv

NIST CVE Summary

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.)

CVE Severity

7

Our Official Summary

This is a high-severity vulnerability in GnuPG (GNU Privacy Guard) affecting versions before 2.4.9, where a logic error in the armor_filter function (g10/armor.c) causes an out-of-bounds write when processing specially crafted input due to a double increment of an index variable.

This vulnerability is applicable only if vmo is used as it only affect these images. Exploting this vulnerability on these images will require elevated permissions with cluster access. Several cluster security best practices if implemented correctly will make this exploitation very difficult.

A upstream fix when available will be adopted to fix this cve.

Status

Open

Affected Products & Versions

VersionPalette EnterprisePalette Enterprise AirgapVerteXVerteX Airgap
4.8.27⚠️ Impacted✅ No Impact⚠️ Impacted✅ No Impact

Revision History

DateRevision
02/12/2026Official summary added
01/08/2026Advisory assigned with HIGH severity