CVE-2025-6426

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 was fixed in Firefox 140, Firefox ESR 128.12, Thunderbird 140, and Thunderbird 128.12.

PUBLISHED Reserved 2025-06-20 | Published 2025-06-24 | Updated 2026-04-13 | Assigner mozilla

Product status

Credits

pwn2car

References

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

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

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

www.mozilla.org/security/advisories/mfsa2025-54/

www.mozilla.org/security/advisories/mfsa2025-55/

cve.org (CVE-2025-6426)

nvd.nist.gov (CVE-2025-6426)

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