CVE-2013-4396 Information

Description

Use-after-free vulnerability in the doImageText function in dix/dixfonts.c in the xorg-server module before 1.14.4 in X.Org X11 allows remote authenticated users to cause a denial of service (daemon crash) or possibly execute arbitrary code via a crafted ImageText request that triggers memory-allocation failure.

Reference

http://lists.opensuse.org/opensuse-updates/2013-10/msg00056.html http://lists.opensuse.org/opensuse-updates/2013-10/msg00060.html http://lists.x.org/archives/xorg-announce/2013-October/002332.html http://openwall.com/lists/oss-security/2013/10/08/6 http://rhn.redhat.com/errata/RHSA-2013-1426.html http://www.debian.org/security/2013/dsa-2784 http://www.securityfocus.com/bid/62892 http://www.ubuntu.com/usn/USN-1990-1 https://bugzilla.redhat.com/show_bug.cgi?id=1014561