CVE-2014-1594: Mozilla Firefox

Medium severity, CVSS 6.8. EPSS: 3.4% chance of exploitation in the next 30 days.

Mozilla Firefox before 34.0, Firefox ESR 31.x before 31.3, Thunderbird before 31.3, and SeaMonkey before 2.31 might allow remote attackers to execute arbitrary code by leveraging an incorrect cast from the BasicThebesLayer data type to the BasicContainerLayer data type.

Affected products

• Mozilla Firefox: up to and including 31.2; up to and including 33.0
• Mozilla Seamonkey: up to and including 2.30
• Mozilla Thunderbird: up to and including 31.2

Published 2014-12-11. Last modified 2026-06-17.