CVE-2010-3180: Mozilla Firefox

High severity, CVSS 9.3. EPSS: 4.6% chance of exploitation in the next 30 days.

Use-after-free vulnerability in the nsBarProp function in Mozilla Firefox before 3.5.14 and 3.6.x before 3.6.11, Thunderbird before 3.0.9 and 3.1.x before 3.1.5, and SeaMonkey before 2.0.9 allows remote attackers to execute arbitrary code by accessing the locationbar property of a closed window.

Affected products

• Mozilla Firefox: version 3.6 only; version 3.6.2 only; version 3.6.3 only; version 3.6.4 only; version 3.6.6 only; version 3.6.7 only; …
• Mozilla Seamonkey: up to and including 2.0.8; 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 3.0.8; version 0.1 only; version 0.2 only; version 0.3 only; version 0.4 only; version 0.5 only; …

Published 2010-10-21. Last modified 2026-06-16.