CVE-2022-1620

Name	CVE-2022-1620
Description	NULL Pointer Dereference in function vim_regexec_string at regexp.c:2729 in GitHub repository vim/vim prior to 8.2.4901. NULL Pointer Dereference in function vim_regexec_string at regexp.c:2729 allows attackers to cause a denial of service (application crash) via a crafted input.
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
vim (PTS)	buster	2:8.1.0875-5+deb10u2	vulnerable
	buster (security)	2:8.1.0875-5+deb10u4	vulnerable
	bullseye	2:8.2.2434-3+deb11u1	vulnerable
	bookworm, sid	2:9.0.1000-4	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
vim	source	(unstable)	2:9.0.0135-1	unimportant

Notes

https://huntr.dev/bounties/7a4c59f3-fcc0-4496-995d-5ca6acd2da51
https://github.com/vim/vim/commit/8e4b76da1d7e987d43ca960dfbc372d1c617466f (v8.2.4901)
Crash in CLI tool, no security impact