poppler before 0.22.1 allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via vectors that trigger an "invalid memory access" in (1) splash/Splash.cc, (2) poppler/Function.cc, and (3) poppler/Stream.cc.
https://bugzilla.redhat.com/show_bug.cgi?id=917108
http://www.openwall.com/lists/oss-security/2013/02/28/8
http://www.openwall.com/lists/oss-security/2013/02/28/4
http://www.mandriva.com/security/advisories?name=MDVSA-2013:143
http://www.debian.org/security/2013/dsa-2719
http://ubuntu.com/usn/usn-1785-1
http://secunia.com/advisories/52846
http://lists.fedoraproject.org/pipermail/package-announce/2013-March/100090.html
http://lists.fedoraproject.org/pipermail/package-announce/2013-March/100081.html