CVE-2025-6426

high

Description

The executable file warning did not warn users before opening files with the `terminal` extension. *This bug only affects Firefox for macOS. Other versions of Firefox are unaffected.* This vulnerability affects Firefox < 140 and Firefox ESR < 128.12.

References

https://www.mozilla.org/security/advisories/mfsa2025-53/

https://www.mozilla.org/security/advisories/mfsa2025-51/

https://bugzilla.mozilla.org/show_bug.cgi?id=1964385

Details

Source: Mitre, NVD

Published: 2025-06-24

Updated: 2025-06-25

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00017