Use-after-free vulnerability in the nsHostResolver::ConditionallyRefreshRecord function in libxul.so in Mozilla Firefox before 29.0, Firefox ESR 24.x before 24.5, Thunderbird before 24.5, and SeaMonkey before 2.26 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via vectors related to host resolution.
https://security.gentoo.org/glsa/201504-01
http://www.ubuntu.com/usn/USN-2189-1
http://www.ubuntu.com/usn/USN-2185-1
http://www.securitytracker.com/id/1030165
http://www.securitytracker.com/id/1030164
http://www.securitytracker.com/id/1030163
http://www.securityfocus.com/bid/67130
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://www.mozilla.org/security/announce/2014/mfsa2014-46.html
http://www.debian.org/security/2014/dsa-2924
http://www.debian.org/security/2014/dsa-2918
http://rhn.redhat.com/errata/RHSA-2014-0449.html
http://rhn.redhat.com/errata/RHSA-2014-0448.html
http://lists.opensuse.org/opensuse-updates/2014-05/msg00040.html
http://lists.opensuse.org/opensuse-updates/2014-05/msg00033.html
http://lists.opensuse.org/opensuse-updates/2014-05/msg00013.html
http://lists.opensuse.org/opensuse-updates/2014-05/msg00010.html
http://lists.opensuse.org/opensuse-security-announce/2014-05/msg00015.html
http://lists.opensuse.org/opensuse-security-announce/2014-05/msg00006.html
http://lists.fedoraproject.org/pipermail/package-announce/2014-May/132437.html
http://lists.fedoraproject.org/pipermail/package-announce/2014-May/132332.html