DescriptionThe pdf14_pop_transparency_group function in base/gdevp14.c in the PDF Transparency module in Artifex Software, Inc. Ghostscript 9.20 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted file.
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

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
ghostscript (PTS)jessie9.06~dfsg-2+deb8u7fixed
jessie (security)9.26a~dfsg-0+deb8u6fixed
stretch (security), stretch9.26a~dfsg-0+deb9u6fixed
buster, buster (security)9.27~dfsg-2+deb10u3fixed
bullseye, sid9.50~dfsg-5fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
ghostscriptsource(unstable)(not affected)


- ghostscript <not-affected> (Vulnerable code introduced later)
Fixed by:;a=commit;h=d621292fb2c8157d9899dcd83fd04dd250e30fe4
Introduced by:;a=commit;h=47294ff5b168d25bfc7db64f51572d64b8ebde91

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