Description
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.)
Published: 2025-12-28
Score: 7.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-4437-1 gnupg2 security update
Ubuntu USN Ubuntu USN USN-7946-1 GnuPG vulnerability
Ubuntu USN Ubuntu USN USN-7946-2 GnuPG vulnerability
History

Wed, 14 Jan 2026 19:30:00 +0000

Type Values Removed Values Added
References

Wed, 07 Jan 2026 15:00:00 +0000

Type Values Removed Values Added
Weaknesses CWE-787
CPEs cpe:2.3:a:gnupg:gnupg:*:*:*:*:-:*:*:*

Fri, 02 Jan 2026 21:00:00 +0000


Wed, 31 Dec 2025 04:00:00 +0000

Type Values Removed Values Added
Description 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.) 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.)

Mon, 29 Dec 2025 19:30:00 +0000

Type Values Removed Values Added
References

Mon, 29 Dec 2025 17:45:00 +0000

Type Values Removed Values Added
Description 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. 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.)
References

Mon, 29 Dec 2025 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 29 Dec 2025 12:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

threat_severity

Important


Sun, 28 Dec 2025 16:30:00 +0000

Type Values Removed Values Added
Description 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.
First Time appeared Gnupg
Gnupg gnupg
Weaknesses CWE-675
CPEs cpe:2.3:a:gnupg:gnupg:*:*:*:*:*:*:*:*
Vendors & Products Gnupg
Gnupg gnupg
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-04-30T03:55:53.604Z

Reserved: 2025-12-28T16:19:10.762Z

Link: CVE-2025-68973

cve-icon Vulnrichment

Updated: 2026-01-14T19:04:33.329Z

cve-icon NVD

Status : Modified

Published: 2025-12-28T17:16:01.500

Modified: 2026-01-14T19:16:46.857

Link: CVE-2025-68973

cve-icon Redhat

Severity : Important

Publid Date: 2025-12-28T16:19:11Z

Links: CVE-2025-68973 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses