The Zip extension in PHP before 5.3.6 allows context-dependent attackers to cause a denial of service (application crash) via a ziparchive stream that is not properly handled by the stream_get_contents function.
bugs.php.net/bug.php?id=53579
lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
support.apple.com/kb/HT5002
www.mandriva.com/security/advisories?name=MDVSA-2011:052
www.mandriva.com/security/advisories?name=MDVSA-2011:053
www.php.net/ChangeLog-5.php
www.securityfocus.com/bid/46969
www.vupen.com/english/advisories/2011/0744