The parse function in Email::Address module before 1.905 for Perl uses an inefficient regular expression, which allows remote attackers to cause a denial of service (CPU consumption) via an empty quoted string in an RFC 2822 address.
seclists.org/oss-sec/2014/q2/563
secunia.com/advisories/59212
secunia.com/advisories/59333
secunia.com/advisories/61981
www.debian.org/security/2014/dsa-2969
bugzilla.redhat.com/show_bug.cgi?id=1110723
github.com/rjbs/Email-Address/blob/master/Changes
github.com/rjbs/Email-Address/commit/83f8306117115729ac9346523762c0c396251eb5
metacpan.org/release/RJBS/Email-Address-1.905