CVE-2007-3735: Mozilla Firefox

High severity, CVSS 9.3. EPSS: 2.2% chance of exploitation in the next 30 days.

Multiple unspecified vulnerabilities in the JavaScript engine in Mozilla Firefox before 2.0.0.5 and Thunderbird before 2.0.0.5 allow remote attackers to cause a denial of service (crash) via unspecified vectors that trigger memory corruption.

Affected products

• Mozilla Firefox: 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 Thunderbird: 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 2007-07-18. Last modified 2026-06-16.