CVE-2025-4084mediumCWE-116

Potential local code execution in "copy as cURL" command

13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 5.7epss 0.4%

exploitation probability

0.4%top 65% of all CVEs

observed exploitation

nono source reports it

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.

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

Affected products

Mozilla · Firefox Mozilla · Thunderbird

References

https://bugzilla.mozilla.org/buglist.cgi?bug_id=1949994%2C1956698%2C1960198 https://lists.debian.org/debian-lts-announce/2025/05/msg00022.html https://www.mozilla.org/security/advisories/mfsa2025-29/https://www.mozilla.org/security/advisories/mfsa2025-30/https://www.mozilla.org/security/advisories/mfsa2025-32/