CVE-2025-4084

Due to insufficient escaping of the 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 bug only affects Firefox for Windows. Other versions of Firefox are unaffected.*. This vulnerability was fixed in Firefox ESR 128.10, Firefox ESR 115.23, and Thunderbird 128.10.

• CWE-116

• https://bugzilla.mozilla.org/buglist.cgi?bug_id=1949994%2C1956698%2C1960198Broken Link
• https://www.mozilla.org/security/advisories/mfsa2025-29/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2025-30/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2025-32/Vendor Advisory
• https://lists.debian.org/debian-lts-announce/2025/05/msg00022.html

Published

Apr 29, 2025

Last Modified

Jun 17, 2026

Status

Modified

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