CVE-2025-0244: Mozilla Firefox

Medium severity, CVSS 5.3. EPSS: 6.5% chance of exploitation in the next 30 days.

When redirecting to an invalid protocol scheme, an attacker could spoof the address bar. *Note: This issue only affected Android operating systems. Other operating systems are unaffected.*. 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.