vulnerability
MFSA2025-46 Thunderbird: Security Vulnerabilities fixed in Thunderbird 128.11 (CVE-2025-5264)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:L/AC:M/Au:S/C:P/I:P/A:P) | May 27, 2025 | May 28, 2025 | Jun 7, 2026 |
Severity
4
CVSS
(AV:L/AC:M/Au:S/C:P/I:P/A:P)
Published
May 27, 2025
Added
May 28, 2025
Modified
Jun 7, 2026
Description
Due to insufficient escaping of the newline 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 vulnerability was fixed in Firefox 139, Firefox ESR 115.24, Firefox ESR 128.11, Thunderbird 139, and Thunderbird 128.11.
Solution
mozilla-thunderbird-upgrade-128_11
Rapid7 Labs
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