CVE-2005-2173: Mozilla Bugzilla

Medium severity, CVSS 5.0. EPSS: 0.9% chance of exploitation in the next 30 days.

The Flag::validate and Flag::modify functions in Bugzilla 2.17.1 to 2.18.1 and 2.19.1 to 2.19.3 do not verify that the flag ID is appropriate for the given bug or attachment ID, which allows users to change flags on arbitrary bugs and obtain a bug summary via process_bug.cgi.

Affected products

• Mozilla Bugzilla: version 2.17.1 only; version 2.17.3 only; version 2.17.4 only; version 2.17.5 only; version 2.17.6 only; version 2.17.7 only; …

Published 2005-07-08. Last modified 2026-06-16.