vulnerability
Arch Linux: Arbitrary code execution (CVE-2020-12387)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:M/Au:N/C:P/I:P/A:P) | May 26, 2020 | Jul 11, 2025 | Mar 25, 2026 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
May 26, 2020
Added
Jul 11, 2025
Modified
Mar 25, 2026
Description
A race condition has been found in Firefox before 76.0 and Thunderbird before 68.8.0, when running shutdown code for Web Worker, leading to a use-after-free vulnerability. This results in a potentially exploitable crash.
Solution
arch-linux-upgrade-latest
References
Rapid7 Labs
2026 Global Threat Landscape Report
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