CVE-2006-3731: Mozilla Firefox

Low severity, CVSS 2.6. EPSS: 1% chance of exploitation in the next 30 days.

Mozilla Firefox 1.5.0.4 and earlier allows remote user-assisted attackers to cause a denial of service (crash) via a form with a multipart/form-data encoding and a user-uploaded file. NOTE: a third party has claimed that this issue might be related to the LiveHTTPHeaders extension.

Affected products

• Mozilla Firefox: version 1.5 only; version 1.5.0.1 only; version 1.5.0.2 only; version 1.5.0.3 only; version 1.5.0.4 only

Published 2006-07-21. Last modified 2026-06-16.