CVE-2011-3651: Mozilla Firefox

High severity, CVSS 10.0. EPSS: 5.8% chance of exploitation in the next 30 days.

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox 7.0 and Thunderbird 7.0 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.

Affected products

• Mozilla Firefox: version 7.0 only
• Mozilla Thunderbird: version 7.0 only

Published 2011-11-09. Last modified 2026-06-16.