CVE-2018-9234

Name	CVE-2018-9234
Description	GnuPG 2.2.4 and 2.2.5 does not enforce a configuration in which key certification requires an offline master Certify key, which results in apparently valid certifications that occurred only with access to a signing subkey.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
Debian Bugs	894983

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
gnupg2 (PTS)	buster, buster (security)	2.2.12-1+deb10u2	fixed
	bullseye (security), bullseye	2.2.27-2+deb11u2	fixed
	bookworm, sid	2.2.40-1.1	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)	2.2.7-1	low		894983

Notes

[stretch] - gnupg2 <no-dsa> (Minor issue)
[jessie] - gnupg2 <no-dsa> (Minor issue)
[wheezy] - gnupg2 <no-dsa> (Minor issue)
https://dev.gnupg.org/T3844
https://git.gnupg.org/cgi-bin/gitweb.cgi?p=gnupg.git;a=commit;h=a17d2d1f690ebe5d005b4589a5fe378b6487c657