Integer overflow in PHP 4.4.4 and earlier allows remote context-dependent attackers to execute arbitrary code via a long string to the unserialize function, which triggers the overflow in the ZVAL reference counter.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11575
https://issues.rpath.com/browse/RPL-1268
https://exchange.xforce.ibmcloud.com/vulnerabilities/32796
http://www.vupen.com/english/advisories/2007/2374
http://www.vupen.com/english/advisories/2007/1991
http://www.trustix.org/errata/2007/0009/
http://www.securityfocus.com/bid/22765
http://www.securityfocus.com/archive/1/466166/100/0/threaded
http://www.mandriva.com/security/advisories?name=MDKSA-2007:088
http://www.mandriva.com/security/advisories?name=MDKSA-2007:087
http://www.debian.org/security/2007/dsa-1283
http://www.debian.org/security/2007/dsa-1282
http://security.gentoo.org/glsa/glsa-200705-19.xml
http://security.gentoo.org/glsa/glsa-200703-21.xml
http://secunia.com/advisories/25850
http://secunia.com/advisories/25445
http://secunia.com/advisories/25423
http://secunia.com/advisories/25062
http://secunia.com/advisories/25025
http://secunia.com/advisories/24945
http://secunia.com/advisories/24941
http://secunia.com/advisories/24924
http://secunia.com/advisories/24910
http://secunia.com/advisories/24606
http://secunia.com/advisories/24419
http://rhn.redhat.com/errata/RHSA-2007-0163.html
http://rhn.redhat.com/errata/RHSA-2007-0155.html
http://rhn.redhat.com/errata/RHSA-2007-0154.html
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&objectID=c01086137
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&objectID=c01056506