CVE-2017-18120

Name	CVE-2017-18120
Description	A double-free bug in the read_gif function in gifread.c in gifsicle 1.90 allows a remote attacker to cause a denial-of-service attack or unspecified other impact via a maliciously crafted file, because last_name is mishandled, a different vulnerability than CVE-2017-1000421.
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	878739, 881120

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
gifsicle (PTS)	bullseye	1.92-2	fixed
	bookworm	1.93-2	fixed
	forky, sid, trixie	1.96-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
gifsicle	source	(unstable)	1.91-1	unimportant		878739, 881120

Notes

https://github.com/kohler/gifsicle/issues/117
https://github.com/kohler/gifsicle/commit/118a46090c50829dc543179019e6140e1235f909
Crash in CLI tool, no security impact