| Name | 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.) |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1124221 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| gnupg2 (PTS) | bullseye (security), bullseye | 2.2.27-2+deb11u2 | vulnerable |
| bookworm | 2.2.40-1.1+deb12u1 | vulnerable | |
| trixie | 2.4.7-21 | vulnerable | |
| forky, sid | 2.4.8-5 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| gnupg2 | source | (unstable) | 2.4.8-5 | 1124221 |
https://gpg.fail/memcpy
https://dev.gnupg.org/T7906
https://www.openwall.com/lists/oss-security/2025/12/28/5
https://github.com/gpg/gnupg/commit/115d138ba599328005c5321c0ef9f00355838ca9 (gnupg-2.5.14)
https://github.com/gpg/gnupg/commit/4ecc5122f20e10c17172ed72f4fa46c784b5fb48 (gnupg-2.4.9)
https://github.com/gpg/gnupg/commit/1e929abd20fa2e4be3797a137caca63a971d5372 (gnupg-2.2.51)