DescriptionThe xps_decode_font_char_imp function in xps/xpsfont.c in Artifex Ghostscript GhostXPS 9.21 allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) or possibly have unspecified other impact via a crafted 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)
NVD severitymedium (attack range: remote)
Debian Bugs869879

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
ghostscript (PTS)wheezy9.05~dfsg-6.3+deb7u2fixed
wheezy (security)9.05~dfsg-6.3+deb7u7fixed
jessie (security), jessie9.06~dfsg-2+deb8u6fixed
stretch (security), stretch9.20~dfsg-3.2+deb9u1vulnerable
buster, sid9.22~dfsg-1vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
ghostscriptsourcejessie(not affected)
ghostscriptsourcewheezy(not affected)


[jessie] - ghostscript <not-affected> (Vulnerable code not present)
[wheezy] - ghostscript <not-affected> (Vulnerable code not present)
The Debian binary package is not affected xps/ not used;a=commit;h=961b10cdd71403072fb99401a45f3bef6ce53626

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