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.
The product does not correctly convert an object, resource, or structure from one type to a different type.
Link | Tags |
---|---|
http://www.debian.org/security/2016/dsa-3691 | vendor advisory |
http://www.securityfocus.com/bid/95311 | vdb entry third party advisory |
http://rhn.redhat.com/errata/RHSA-2017-0013.html | vendor advisory |
http://rhn.redhat.com/errata/RHSA-2017-0014.html | vendor advisory |
http://www.openwall.com/lists/oss-security/2016/10/11/7 | mailing list third party advisory patch |
http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=f5c7555c303 | |
https://bugs.ghostscript.com/show_bug.cgi?id=697203 | issue tracking patch |
https://ghostscript.com/doc/9.21/History9.htm | patch vendor advisory |
https://security.gentoo.org/glsa/201702-31 | vendor advisory |
https://bugzilla.redhat.com/show_bug.cgi?id=1383940 | issue tracking patch |
http://www.openwall.com/lists/oss-security/2016/10/11/5 | mailing list third party advisory patch |