CVE-2022-3559

Name	CVE-2022-3559
Description	A vulnerability was found in Exim and classified as problematic. This issue affects some unknown processing of the component Regex Handler. The manipulation leads to use after free. The name of the patch is 4e9ed49f8f12eb331b29bd5b6dc3693c520fddc2. It is recommended to apply a patch to fix this issue. The identifier VDB-211073 was assigned to this vulnerability.
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)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
exim4 (PTS)	buster	4.92-8+deb10u6	vulnerable
	buster (security)	4.92-8+deb10u7	vulnerable
	bullseye	4.94.2-7	vulnerable
	bookworm, sid	4.96-14	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
exim4	source	(unstable)	4.96-4

Notes

[bullseye] - exim4 <no-dsa> (Minor issue)
[buster] - exim4 <no-dsa> (Minor issue)
https://bugs.exim.org/show_bug.cgi?id=2915
https://git.exim.org/exim.git/commit/4e9ed49f8f12eb331b29bd5b6dc3693c520fddc2