CVE-2025-1941

CRITICAL 9.1CVE-2025-1941 · Published 04/03/2025 · updated 05/10/2026

In short

CVE-2025-1941 is a CRITICAL (CVSS 9.1) vulnerability affecting firefox (mozilla).
Chance of exploitation in the next 30 days (EPSS): 0.37%, higher than 30.6% of all vulnerabilities.
Fix: update to 136.0 or later.

Package	Affected versions	Patched versions
firefox mozilla	`< 136.0`	`136.0`

Description

Under certain circumstances, a user opt-in setting that Focus should require authentication before use could have been be bypassed (distinct from CVE-2025-0245). This vulnerability was fixed in Firefox 136.

References

bugzilla.mozilla.org/show_bug.cgi · Issue Tracking
mozilla.org/security/advisories/mfsa2025-14 · Vendor Advisory

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Package

Affected versions

Patched versions

firefox

mozilla

< 136.0

136.0

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