CVE-2016-9601

Name	CVE-2016-9601
Description	ghostscript before version 9.21 is vulnerable to a heap based buffer overflow that was found in the ghostscript jbig2_decode_gray_scale_image function which is used to decode halftone segments in a JBIG2 image. A document (PostScript or PDF) with an embedded, specially crafted, jbig2 image could trigger a segmentation fault in ghostscript.
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-874-1, DSA-3817-1
Debian Bugs	850497

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
jbig2dec (PTS)	jessie, jessie (lts)	0.13-4~deb8u3	fixed
	stretch (security), stretch (lts), stretch	0.13-4.1+deb9u1	fixed
	buster	0.16-1+deb10u1	fixed
	bullseye	0.19-2	fixed
	bookworm	0.19-3	fixed
	sid, trixie	0.20-1	fixed

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

Package	Type	Release	Fixed Version	Origin	Debian Bugs
jbig2dec	source	wheezy	0.13-4~deb7u1	DLA-874-1
jbig2dec	source	jessie	0.13-4~deb8u1	DSA-3817-1
jbig2dec	source	(unstable)	0.13-4		850497

Notes

https://bugs.ghostscript.com/show_bug.cgi?id=697457
Patch: https://git.ghostscript.com/?p=jbig2dec.git;a=commitdiff;h=e698d5c11d27212aa1098bc5b1673a3378563092