CVE-2010-0173: Mozilla Firefox

High severity, CVSS 9.3. EPSS: 4.5% chance of exploitation in the next 30 days.

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 3.5.9 and 3.6.x before 3.6.2, Thunderbird before 3.0.4, and SeaMonkey before 2.0.4 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 3.6 only; up to and including 3.5.7; version 0.1 only; version 0.2 only; version 0.3 only; version 0.4 only; …
• Mozilla Seamonkey: up to and including 2.0.3; version 1.0 only; version 1.0.1 only; version 1.0.2 only; version 1.0.3 only; version 1.0.4 only; …
• Mozilla Thunderbird: up to and including 3.0.3; version 0.1 only; version 0.2 only; version 0.3 only; version 0.4 only; version 0.5 only; …

Published 2010-04-05. Last modified 2026-06-16.