Description
The .sethalftone5 function in psi/zht2.c in Ghostscript before 9.21 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted Postscript document that calls .sethalftone5 with an empty operand stack.
References (11)
Core 11
Core References
Third Party Advisory vendor-advisory
x_refsource_debian
http://www.debian.org/security/2016/dsa-3691
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/95311
Vendor Advisory vendor-advisory
x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2017-0013.html
Vendor Advisory vendor-advisory
x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2017-0014.html
Mailing List, Patch, Third Party Advisory mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/10/11/7
Patch x_refsource_confirm
http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=f5c7555c303
Issue Tracking, Patch x_refsource_confirm
https://bugs.ghostscript.com/show_bug.cgi?id=697203
Patch, Vendor Advisory x_refsource_confirm
https://ghostscript.com/doc/9.21/History9.htm
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/201702-31
Issue Tracking, Patch x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=1383940
Mailing List, Patch, Third Party Advisory mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/10/11/5
Scores
CVSS v3
7.8
EPSS
0.0123
EPSS Percentile
79.4%
Attack Vector
LOCAL
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Details
CWE
CWE-704
Status
published
Products (1)
artifex/ghostscript
< 9.20
Published
Apr 14, 2017
Tracked Since
Feb 18, 2026