CVE-2021-27135

Name	CVE-2021-27135
Description	xterm before Patch #366 allows remote attackers to execute arbitrary code or cause a denial of service (segmentation fault) via a crafted UTF-8 combining character sequence.
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)
References	DLA-2558-1
Debian Bugs	982439

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
xterm (PTS)	bookworm	379-1	fixed
	trixie	398-1	fixed
	forky, sid	411-1	fixed

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

Package	Type	Release	Fixed Version	Origin	Debian Bugs
xterm	source	stretch	327-2+deb9u1	DLA-2558-1
xterm	source	buster	344-1+deb10u1
xterm	source	(unstable)	366-1		982439

Notes

https://www.openwall.com/lists/oss-security/2021/02/09/7
https://invisible-island.net/xterm/xterm.log.html#xterm_366
https://github.com/ThomasDickey/xterm-snapshots/commit/82ba55b8f994ab30ff561a347b82ea340ba7075c