CVE-2020-16600

NameCVE-2020-16600
DescriptionA 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium
Debian Bugs989526

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
mupdf (PTS)stretch1.9a+ds1-4+deb9u4fixed
stretch (security)1.14.0+ds1-4+deb9u1fixed
buster1.14.0+ds1-4+deb10u3fixed
buster (security)1.14.0+ds1-4+deb10u2vulnerable
bullseye (security)1.17.0+ds1-1.3~deb11u1fixed
bookworm, sid, bullseye1.17.0+ds1-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
mupdfsourcestretch(not affected)
mupdfsourcebuster1.14.0+ds1-4+deb10u3
mupdfsource(unstable)1.17.0+ds1-1989526

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

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