Heap-based buffer overflow in the php_parserr function in ext/standard/dns.c in PHP 5.6.0beta4 and earlier allows remote servers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted DNS TXT record, related to the dns_get_record function.
https://support.apple.com/HT204659
https://github.com/php/php-src/commit/b34d7849ed90ced9345f8ea1c59bc8d101c18468
https://bugzilla.redhat.com/show_bug.cgi?id=1108447
http://www.securitytracker.com/id/1030435
http://www.securityfocus.com/bid/68007
http://www.oracle.com/technetwork/topics/security/bulletinjan2015-2370101.html
http://www.openwall.com/lists/oss-security/2014/06/13/4
http://www.debian.org/security/2014/dsa-2961
http://www-01.ibm.com/support/docview.wss?uid=swg21683486
http://support.apple.com/kb/HT6443
http://secunia.com/advisories/60998
http://secunia.com/advisories/59652
http://secunia.com/advisories/59513
http://secunia.com/advisories/59496
http://secunia.com/advisories/59418
http://secunia.com/advisories/59329
http://secunia.com/advisories/59270
http://rhn.redhat.com/errata/RHSA-2014-1766.html
http://rhn.redhat.com/errata/RHSA-2014-1765.html
http://marc.info/?l=bugtraq&m=141017844705317&w=2
http://lists.opensuse.org/opensuse-updates/2014-07/msg00032.html
http://lists.opensuse.org/opensuse-updates/2014-06/msg00051.html
http://lists.opensuse.org/opensuse-security-announce/2014-07/msg00002.html
http://lists.opensuse.org/opensuse-security-announce/2014-07/msg00001.html
http://lists.apple.com/archives/security-announce/2015/Apr/msg00001.html