Description
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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Mozilla Firefox
115.23 to ≤ 115.*unaffected128.10 to ≤ *unaffected
Mozilla Thunderbird
128.10 to ≤ *unaffected
References
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1949994%2C1956698%2C1960198 ↗
- https://www.mozilla.org/security/advisories/mfsa2025-29/ ↗
- https://www.mozilla.org/security/advisories/mfsa2025-30/ ↗
- https://www.mozilla.org/security/advisories/mfsa2025-32/ ↗
- https://lists.debian.org/debian-lts-announce/2025/05/msg00022.html ↗