CVE-2017-16938

Name	CVE-2017-16938
Description	A global buffer overflow in OptiPNG 0.7.6 allows remote attackers to cause a denial-of-service attack or other unspecified impact with a maliciously crafted GIF format file, related to an uncontrolled loop in the LZWReadByte function of the gifread.c file.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-1196-1, DSA-4058-1
Debian Bugs	878839

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
optipng (PTS)	buster, bullseye	0.7.7-1	fixed
	bookworm	0.7.7-2	fixed
	trixie, sid	0.7.8+ds-1	fixed

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

Package	Type	Release	Fixed Version	Origin	Debian Bugs
optipng	source	wheezy	0.6.4-1+deb7u4	DLA-1196-1
optipng	source	jessie	0.7.5-1+deb8u2	DSA-4058-1
optipng	source	stretch	0.7.6-1+deb9u1	DSA-4058-1
optipng	source	(unstable)	0.7.6-1.1		878839

https://sourceforge.net/p/optipng/bugs/69/