CVE-2018-6544

NameCVE-2018-6544
Descriptionpdf_load_obj_stm in pdf/pdf-xref.c in Artifex MuPDF 1.12.0 could reference the object stream recursively and therefore run out of error stack, which allows remote attackers to cause a denial of service via a crafted PDF document.
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)
ReferencesDSA-4152-1
NVD severitymedium (attack range: remote)
Debian Bugs891245

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
mupdf (PTS)jessie (security), jessie1.5-1+deb8u4fixed
stretch (security), stretch1.9a+ds1-4+deb9u3fixed
buster, sid1.13.0+ds1-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
mupdfsource(unstable)1.12.0+ds1-1medium891245
mupdfsourcejessie1.5-1+deb8u4mediumDSA-4152-1
mupdfsourcestretch1.9a+ds1-4+deb9u3mediumDSA-4152-1

Notes

[wheezy] - mupdf <ignored> (Most likely not affected, minor issue)
http://git.ghostscript.com/?p=mupdf.git;h=26527eef77b3e51c2258c8e40845bfbc015e405d
above patch is not needed in Jessie, as there is no fz_try() used in this version
http://git.ghostscript.com/?p=mupdf.git;h=b03def134988da8c800adac1a38a41a1f09a1d89
https://bugs.ghostscript.com/show_bug.cgi?id=698830
https://bugs.ghostscript.com/show_bug.cgi?id=698965
https://lists.debian.org/debian-lts/2018/03/msg00043.html

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