CVE-2017-7976

Name	CVE-2017-7976
Description	Artifex jbig2dec 0.13 allows out-of-bounds writes and reads because of an integer overflow in the jbig2_image_compose function in jbig2_image.c during operations on a crafted .jb2 file, leading to a denial of service (application crash) or disclosure of sensitive information from process memory.
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-942-1, DSA-3855-1
Debian Bugs	860787

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~deb7u2	DLA-942-1
jbig2dec	source	jessie	0.13-4~deb8u2	DSA-3855-1
jbig2dec	source	(unstable)	0.13-4.1		860787

https://bugs.ghostscript.com/show_bug.cgi?id=697683
Fixed by: https://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=ed6c5133a1004ce8d