CVE-2014-1574: Mozilla Firefox

High severity, CVSS 7.5. EPSS: 4% chance of exploitation in the next 30 days.

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 33.0, Firefox ESR 31.x before 31.2, and Thunderbird 31.x before 31.2 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: up to and including 32.0; version 30.0 only; version 31.0 only; version 31.1.0 only
• Mozilla Thunderbird: version 31.0 only; version 31.1.0 only

Published 2014-10-15. Last modified 2026-06-17.