CVE-2011-1471
Integer signedness error in zip_stream.c in the Zip extension in PHP before 5.3.6 allows context-dependent attackers to cause a denial of service (CPU consumption) via a malformed archive file that triggers errors in zip_fread function calls.
Date published : 2011-03-19
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html