CVE-2012-0465

Bugzilla 3.5.x and 3.6.x before 3.6.9, 3.7.x and 4.0.x before 4.0.6, and
4.1.x and 4.2.x before 4.2.1, when the inbound_proxies option is enabled,
does not properly validate the X-Forwarded-For HTTP header, which allows
remote attackers to bypass the lockout policy via a series of
authentication requests with (1) different IP address strings in this
header or (2) a long string in this header.