vulnerability
Arch Linux: Time-of-check Time-of-use (TOCTOU) Race Condition (CVE-2022-26387)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:H/Au:N/C:C/I:C/A:C) | Dec 22, 2022 | Jul 11, 2025 | Nov 27, 2025 |
Severity
8
CVSS
(AV:N/AC:H/Au:N/C:C/I:C/A:C)
Published
Dec 22, 2022
Added
Jul 11, 2025
Modified
Nov 27, 2025
Description
When installing an add-on, Thunderbird verified the signature before prompting the user; but while the user was confirming the prompt, the underlying add-on file could have been modified and Thunderbird would not have noticed.
Solution
arch-linux-upgrade-latest
References
- CVE-2022-26387
- https://attackerkb.com/topics/CVE-2022-26387
- URL-https://bugzilla.mozilla.org/show_bug.cgi?id=1752979
- URL-https://www.mozilla.org/en-US/security/advisories/mfsa2022-10/
- URL-https://www.mozilla.org/security/advisories/mfsa2022-10/
- URL-https://www.mozilla.org/security/advisories/mfsa2022-11/
- URL-https://www.mozilla.org/security/advisories/mfsa2022-12/
- CWE-367
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