CVE-2011-2978: Mozilla Bugzilla

Medium severity, CVSS 5.0. EPSS: 1.7% chance of exploitation in the next 30 days.

Bugzilla 2.16rc1 through 2.22.7, 3.0.x through 3.3.x, 3.4.x before 3.4.12, 3.5.x, 3.6.x before 3.6.6, 3.7.x, 4.0.x before 4.0.2, and 4.1.x before 4.1.3 does not prevent changes to the confirmation e-mail address (aka old_email field) for e-mail change notifications, which makes it easier for remote attackers to perform arbitrary address changes by leveraging an unattended workstation.

Affected products

• Mozilla Bugzilla: version 2.16 only; version 2.16.1 only; version 2.16.2 only; version 2.16.3 only; version 2.16.4 only; version 2.16.5 only; …

Published 2011-08-09. Last modified 2026-06-16.