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.
- http://www.oracle.com/technetwork/topics/security/bulletinjan2015-2370101.html
- https://github.com/ARPSyndicate/cve-scores
- https://github.com/Live-Hack-CVE/CVE-2014-4049