CVE-2022-38223

Name	CVE-2022-38223
Description	There is an out-of-bounds write in checkType located in etc.c in w3m 0.5.3. It can be triggered by sending a crafted HTML file to the w3m binary. It allows an attacker to cause Denial of Service or possibly have unspecified other impact.
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	1019599

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
w3m (PTS)	buster	0.5.3-37	vulnerable
	bullseye	0.5.3+git20210102-6	vulnerable
	bookworm, sid	0.5.3+git20230121-2	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
w3m	source	(unstable)	0.5.3+git20230121-1			1019599

Notes

[bullseye] - w3m <no-dsa> (Minor issue)
[buster] - w3m <no-dsa> (Minor issue)
https://github.com/tats/w3m/issues/242
https://github.com/tats/w3m/commit/419ca82d57c72242817b55e2eaa4cdbf6916e7fa