CVE-2012-0465: Mozilla Bugzilla

Medium severity, CVSS 4.3. EPSS: 1.2% chance of exploitation in the next 30 days.

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.

Affected products

• Mozilla Bugzilla: version 3.5.1 only; version 3.5.2 only; version 3.5.3 only; version 3.6.0 only; version 3.6.1 only; version 3.6.2 only; …

Published 2012-04-27. Last modified 2026-06-16.