CVE-2022-3515

Name	CVE-2022-3515
Description	A vulnerability was found in the Libksba library due to an integer overflow within the CRL parser. The vulnerability can be exploited remotely for code execution on the target system by passing specially crafted data to the application, for example, a malicious S/MIME attachment.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-3153-1, DSA-5255-1
Debian Bugs	1021928

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
libksba (PTS)	buster	1.3.5-2	vulnerable
	buster (security)	1.3.5-2+deb10u2	fixed
	bullseye (security), bullseye	1.5.0-3+deb11u2	fixed
	bookworm	1.6.3-2	fixed
	sid, trixie	1.6.6-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Origin	Debian Bugs
libksba	source	buster	1.3.5-2+deb10u1	DLA-3153-1
libksba	source	bullseye	1.5.0-3+deb11u1	DSA-5255-1
libksba	source	(unstable)	1.6.2-1		1021928

https://gnupg.org/blog/20221017-pepe-left-the-ksba.html
https://dev.gnupg.org/T6230
https://dev.gnupg.org/rK4b7d9cd4a018898d7714ce06f3faf2626c14582b