CVE-2021-3404

Name	CVE-2021-3404
Description	In ytnef 1.9.3, the SwapWord function in lib/ytnef.c allows remote attackers to cause a denial-of-service (and potentially code execution) due to a heap buffer overflow which can be triggered via a crafted file.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs	982596

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
libytnef (PTS)	bookworm	2.0-1	fixed
	forky, sid, trixie	2.1.2-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
libytnef	source	(unstable)	1.9.3-3			982596

Notes

[buster] - libytnef <no-dsa> (Minor issue)
[stretch] - libytnef <no-dsa> (Minor issue)
https://github.com/Yeraze/ytnef/issues/86
https://github.com/Yeraze/ytnef/pull/88
https://github.com/Yeraze/ytnef/commit/f9ff4a203b8c155d51a208cadadb62f224fba715