CVE-2008-1927
Double free vulnerability in Perl 5.8.8 allows context-dependent attackers to cause a denial of service (memory corruption and crash) via a crafted regular expression containing UTF8 characters. NOTE: this issue might only be present on certain operating systems.
Date published : 2008-04-23
http://lists.apple.com/archives/security-announce/2009/Feb/msg00000.html