CVE-2012-5195
Heap-based buffer overflow in the Perl_repeatcpy function in util.c in Perl 5.12.x before 5.12.5, 5.14.x before 5.14.3, and 5.15.x before 15.15.5 allows context-dependent attackers to cause a denial of service (memory consumption and crash) or possibly execute arbitrary code via the ‘x’ string repeat operator.
Date published : 2012-12-17
http://www.securityfocus.com/bid/56287
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10673