CVE-2010-3777: Mozilla Firefox

High severity, CVSS 9.3. EPSS: 8.4% chance of exploitation in the next 30 days.

Unspecified vulnerability in Mozilla Firefox 3.6.x before 3.6.13 and Thunderbird 3.1.x before 3.1.7 allows 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 3.6 only; version 3.6.1 only; version 3.6.2 only; version 3.6.3 only; version 3.6.4 only; version 3.6.6 only; …
• Mozilla Thunderbird: version 3.1 only; version 3.1.1 only; version 3.1.2 only; version 3.1.3 only; version 3.1.4 only; version 3.1.5 only; …

Published 2010-12-10. Last modified 2026-06-16.