Heap-based buffer overflow in tif_pixarlog.c in LibTIFF before 4.0.3 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a crafted TIFF image using the PixarLog Compression format.
https://bugzilla.redhat.com/show_bug.cgi?id=860198
http://www.ubuntu.com/usn/USN-1631-1
http://www.securityfocus.com/bid/55673
http://www.remotesensing.org/libtiff/v4.0.3.html
http://www.openwall.com/lists/oss-security/2012/09/25/9
http://www.openwall.com/lists/oss-security/2012/09/25/14
http://www.debian.org/security/2012/dsa-2561
http://secunia.com/advisories/51049
http://secunia.com/advisories/49938
http://rhn.redhat.com/errata/RHSA-2012-1590.html
http://lists.opensuse.org/opensuse-updates/2013-01/msg00076.html