CVE-2009-3989: Mozilla Bugzilla

Medium severity, CVSS 4.3. EPSS: 1.5% chance of exploitation in the next 30 days.

Bugzilla before 3.0.11, 3.2.x before 3.2.6, 3.4.x before 3.4.5, and 3.5.x before 3.5.3 does not block access to files and directories that are used by custom installations, which allows remote attackers to obtain sensitive information via requests for (1) CVS/, (2) contrib/, (3) docs/en/xml/, (4) t/, or (5) old-params.txt.

Affected products

• Mozilla Bugzilla: up to and including 3.0.10; version 2.0 only; version 2.2 only; version 2.4 only; version 2.6 only; version 2.8 only; …

Published 2010-02-03. Last modified 2026-06-16.