CVE-2008-2799: Mozilla Firefox

High severity, CVSS 10.0. EPSS: 5.6% chance of exploitation in the next 30 days.

Multiple unspecified vulnerabilities in Mozilla Firefox before 2.0.0.15, Thunderbird 2.0.0.14 and earlier, and SeaMonkey before 1.1.10 allow remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via unknown vectors related to the JavaScript engine.

Affected products

• Mozilla Firefox: up to and including 2.0.0.14; version 2.0 only; version 2.0.0.1 only; version 2.0.0.2 only; version 2.0.0.3 only; version 2.0.0.4 only; …
• Mozilla Seamonkey: up to and including 1.1.9; version 1.1 only; version 1.1.2 only; version 1.1.3 only; version 1.1.4 only; version 1.1.5 only; …
• Mozilla Thunderbird: up to and including 2.0.0.14; version 2.0.0.0 only; version 2.0.0.1 only; version 2.0.0.2 only; version 2.0.0.3 only; version 2.0.0.4 only; …

Published 2008-07-07. Last modified 2026-06-16.