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 | Dec 19, 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
Dec 19, 2025
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 affects Firefox < 139, Firefox ESR < 115.24, Firefox ESR < 128.11, Thunderbird < 139, and Thunderbird < 128.11.
Solution
mozilla-thunderbird-upgrade-128_11
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