CVE-2011-2980: Mozilla Firefox

High severity, CVSS 7.2. EPSS: 0.3% chance of exploitation in the next 30 days.

Untrusted search path vulnerability in the ThinkPadSensor::Startup function in Mozilla Firefox before 3.6.20, Thunderbird 3.x before 3.1.12, allows local users to gain privileges by leveraging write access in an unspecified directory to place a Trojan horse DLL that is loaded into the running Firefox process.

Affected products

• Mozilla Firefox: up to and including 3.6.19; 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: version 3.0 only; version 3.0.1 only; version 3.0.2 only; version 3.0.3 only; version 3.0.4 only; version 3.0.5 only; …

Published 2011-08-18. Last modified 2026-06-16.