Unrated severityOSV Advisory· Published Dec 28, 2025· Updated Apr 30, 2026
CVE-2025-68973
CVE-2025-68973
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.)
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
29- osv-coords27 versionspkg:rpm/almalinux/gnupg2pkg:rpm/almalinux/gnupg2-smimepkg:rpm/opensuse/gpg2&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/gpg2&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/gpg2&distro=openSUSE%20Tumbleweedpkg:rpm/suse/gpg2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/gpg2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSSpkg:rpm/suse/gpg2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/gpg2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSSpkg:rpm/suse/gpg2&distro=SUSE%20Linux%20Enterprise%20Micro%205.2pkg:rpm/suse/gpg2&distro=SUSE%20Linux%20Enterprise%20Micro%205.3pkg:rpm/suse/gpg2&distro=SUSE%20Linux%20Enterprise%20Micro%205.4pkg:rpm/suse/gpg2&distro=SUSE%20Linux%20Enterprise%20Micro%205.5pkg:rpm/suse/gpg2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/gpg2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5-LTSSpkg:rpm/suse/gpg2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/gpg2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/gpg2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP6-LTSSpkg:rpm/suse/gpg2&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/gpg2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/gpg2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5pkg:rpm/suse/gpg2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP6pkg:rpm/suse/gpg2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/gpg2&distro=SUSE%20Linux%20Enterprise%20Server%20LTSS%20Extended%20Security%2012%20SP5pkg:rpm/suse/gpg2&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/gpg2&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/gpg2&distro=SUSE%20Linux%20Micro%206.2
< 2.4.5-3.el10_1+ 26 more
- (no CPE)range: < 2.4.5-3.el10_1
- (no CPE)range: < 2.4.5-3.el10_1
- (no CPE)range: < 2.4.4-150600.3.12.1
- (no CPE)range: < 2.5.5-160000.3.1
- (no CPE)range: < 2.5.16-1.1
- (no CPE)range: < 2.2.27-150300.3.16.1
- (no CPE)range: < 2.2.27-150300.3.16.1
- (no CPE)range: < 2.2.27-150300.3.16.1
- (no CPE)range: < 2.2.27-150300.3.16.1
- (no CPE)range: < 2.2.27-150300.3.16.1
- (no CPE)range: < 2.2.27-150300.3.16.1
- (no CPE)range: < 2.2.27-150300.3.16.1
- (no CPE)range: < 2.2.27-150300.3.16.1
- (no CPE)range: < 2.4.4-150600.3.12.1
- (no CPE)range: < 2.0.24-9.17.1
- (no CPE)range: < 2.2.27-150300.3.16.1
- (no CPE)range: < 2.2.27-150300.3.16.1
- (no CPE)range: < 2.4.4-150600.3.12.1
- (no CPE)range: < 2.5.5-160000.3.1
- (no CPE)range: < 2.2.27-150300.3.16.1
- (no CPE)range: < 2.2.27-150300.3.16.1
- (no CPE)range: < 2.4.4-150600.3.12.1
- (no CPE)range: < 2.5.5-160000.3.1
- (no CPE)range: < 2.0.24-9.17.1
- (no CPE)range: < 2.4.4-6.1
- (no CPE)range: < 2.4.4-slfo.1.1_6.1
- (no CPE)range: < 2.5.5-160000.3.1
Patches
Vulnerability mechanics
References
7- github.com/gpg/gnupg/blob/ff30683418695f5d2cc9e6cf8c9418e09378ebe4/g10/armor.cmitre
- github.com/gpg/gnupg/commit/115d138ba599328005c5321c0ef9f00355838ca9mitre
- github.com/gpg/gnupg/compare/gnupg-2.2.50...gnupg-2.2.51mitre
- gpg.fail/memcpymitre
- media.ccc.de/v/39c3-to-sign-or-not-to-sign-practical-vulnerabilities-imitre
- news.ycombinator.com/itemmitre
- www.openwall.com/lists/oss-security/2025/12/28/5mitre
News mentions
0No linked articles in our index yet.