| Name | CVE-2020-25125 |
| Description | GnuPG 2.2.21 and 2.2.22 (and Gpg4win 3.1.12) has an array overflow, leading to a crash or possibly unspecified other impact, when a victim imports an attacker's OpenPGP key, and this key has AEAD preferences. The overflow is caused by a g10/key-check.c error. NOTE: GnuPG 2.3.x is unaffected. GnuPG 2.2.23 is a fixed version. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| gnupg2 (PTS) | jessie, jessie (lts) | 2.0.26-6+deb8u3 | fixed |
| stretch (security) | 2.1.18-8~deb9u2 | fixed | |
| stretch (lts), stretch | 2.1.18-8~deb9u5 | fixed | |
| buster (security), buster, buster (lts) | 2.2.12-1+deb10u2 | fixed | |
| bullseye (security), bullseye | 2.2.27-2+deb11u2 | fixed | |
| bookworm | 2.2.40-1.1 | fixed | |
| sid, trixie | 2.2.45-2 | 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) | (not affected) |
- gnupg2 <not-affected> (Only affects versions 2.2.21 and 2.2.22)
https://dev.gnupg.org/T5050
https://lists.gnupg.org/pipermail/gnupg-announce/2020q3/000448.html