CVE-2025-0245: Mozilla Firefox

Low severity, CVSS 3.3. EPSS: 0.3% chance of exploitation in the next 30 days.

Under certain circumstances, a user opt-in setting that Focus should require authentication before use could have been be bypassed. This vulnerability was fixed in Firefox 134.

Affected products

• Mozilla Firefox: before 134.0 (fixed in 134.0)

Published 2025-01-07. Last modified 2026-10-05.