CVE-2020-16600

Name	CVE-2020-16600
Description	A Use After Free vulnerability exists in Artifex Software, Inc. MuPDF library 1.17.0-rc1 and earlier when a valid page was followed by a page with invalid pixmap dimensions, causing bander - a static - to point to previously freed memory instead of a newband_writer.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs	989526

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
mupdf (PTS)	bullseye	1.17.0+ds1-2	fixed
	bullseye (security)	1.17.0+ds1-1.3~deb11u1	fixed
	bookworm	1.21.1+ds2-1	fixed
	sid, trixie	1.24.10+ds1-1	fixed

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

Package	Type	Release	Fixed Version	Debian Bugs
mupdf	source	stretch	(not affected)
mupdf	source	buster	1.14.0+ds1-4+deb10u3
mupdf	source	(unstable)	1.17.0+ds1-1	989526

Notes

[stretch] - mupdf <not-affected> (Vulnerable code not present)
https://bugs.ghostscript.com/show_bug.cgi?id=702253
http://git.ghostscript.com/?p=mupdf.git;h=96751b25462f83d6e16a9afaf8980b0c3f979c8b