Heap-based buffer overflow in PCRE 8.36 and earlier allows remote attackers to cause a denial of service (crash) or have other unspecified impact via a crafted regular expression, related to an assertion that allows zero repeats.
https://security.gentoo.org/glsa/201607-02
https://bugzilla.redhat.com/show_bug.cgi?id=1166147
http://www.securityfocus.com/bid/71206
http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
http://www.openwall.com/lists/oss-security/2014/11/21/6
http://rhn.redhat.com/errata/RHSA-2015-0330.html
http://lists.opensuse.org/opensuse-updates/2015-05/msg00014.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-January/147516.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-January/147511.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-January/147474.html
http://lists.fedoraproject.org/pipermail/package-announce/2014-December/145843.html