vulnerability
Arch Linux: Content spoofing (CVE-2020-12397)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:M/Au:N/C:N/I:P/A:N) | May 22, 2020 | Jul 11, 2025 | Nov 27, 2025 |
Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
May 22, 2020
Added
Jul 11, 2025
Modified
Nov 27, 2025
Description
An spoofing email address issue has been found in Thunderbird before 68.8.0. By encoding Unicode whitespace characters within the From email header, an attacker can spoof the sender email address that Thunderbird displays.
Solution
arch-linux-upgrade-latest
References
- CVE-2020-12397
- https://attackerkb.com/topics/CVE-2020-12397
- URL-https://bugzilla.mozilla.org/show_bug.cgi?id=1617370
- URL-https://security.archlinux.org/ASA-202005-7
- URL-https://security.gentoo.org/glsa/202005-03
- URL-https://usn.ubuntu.com/4373-1/
- URL-https://www.mozilla.org/en-US/security/advisories/mfsa2020-18/
- URL-https://www.mozilla.org/security/advisories/mfsa2020-18/
- CWE-346
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