CVE-2020-25125

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)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
gnupg2 (PTS)	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)

Notes

- 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