CVE-2025-4089

Description

Due to insufficient escaping of special characters in the "copy as cURL" feature, an attacker could trick a user into using this command, potentially leading to local code execution on the user's system. This vulnerability was fixed in Firefox 138 and Thunderbird 138.

PUBLISHED Reserved 2025-04-29 | Published 2025-04-29 | Updated 2026-04-13 | Assigner mozilla

Product status

Credits

Ameen Basha M K

References

bugzilla.mozilla.org/...i?bug_id=1949994%2C1956698%2C1960198

www.mozilla.org/security/advisories/mfsa2025-28/

www.mozilla.org/security/advisories/mfsa2025-31/

cve.org (CVE-2025-4089)

nvd.nist.gov (CVE-2025-4089)

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