CVE-2013-7422

Integer underflow in regcomp.c in Perl before 5.20, as used in Apple OS X
before 10.10.5 and other products, allows context-dependent attackers to
execute arbitrary code or cause a denial of service (application crash) via
a long digit string associated with an invalid backreference within a
regular expression.

Bugs

• <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=776046&gt;
• <https://rt.perl.org/Public/Bug/Display.html?id=119505&gt;