CVE ID:	CVE-2013-6424
Description:	Integer underflow in the xTrapezoidValid macro in render/picture.h in X.Org allows context-dependent attackers to cause a denial of service (crash) via a negative bottom value.
Test IDs:	1.3.6.1.4.1.25623.1.0.871104   1.3.6.1.4.1.25623.1.0.881856   1.3.6.1.4.1.25623.1.0.702822   1.3.6.1.4.1.25623.1.0.881854   1.3.6.1.4.1.25623.1.0.120569   1.3.6.1.4.1.25623.1.0.123489   1.3.6.1.4.1.25623.1.1.4.2014.0051.2   1.3.6.1.4.1.25623.1.1.4.2014.0744.1   1.3.6.1.4.1.25623.1.1.4.2014.0051.1
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2013-6424 Debian Security Information: DSA-2822 (Google Search) http://www.debian.org/security/2013/dsa-2822 https://security.gentoo.org/glsa/201701-64 https://security.gentoo.org/glsa/201710-30 http://www.openwall.com/lists/oss-security/2013/12/03/8 http://www.openwall.com/lists/oss-security/2013/12/04/8 http://lists.x.org/archives/xorg-devel/2013-October/037996.html RedHat Security Advisories: RHSA-2013:1868 http://rhn.redhat.com/errata/RHSA-2013-1868.html SuSE Security Announcement: openSUSE-SU-2013:1965 (Google Search) http://lists.opensuse.org/opensuse-updates/2013-12/msg00127.html http://www.ubuntu.com/usn/USN-2500-1