vulnerability
MFSA2025-42 Firefox: Security Vulnerabilities fixed in Firefox 139 (CVE-2025-5265)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:L/AC:M/Au:S/C:P/I:P/A:P) | May 27, 2025 | May 28, 2025 | Aug 11, 2025 |
Severity
4
CVSS
(AV:L/AC:M/Au:S/C:P/I:P/A:P)
Published
May 27, 2025
Added
May 28, 2025
Modified
Aug 11, 2025
Description
Due to insufficient escaping of the ampersand character 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 affects Firefox < 139, Firefox ESR < 115.24, Firefox ESR < 128.11, Thunderbird < 139, and Thunderbird < 128.11.
Solution
mozilla-firefox-upgrade-139_0
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