vulnerability
Arch Linux: Arbitrary code execution (CVE-2021-29952)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:H/Au:N/C:P/I:P/A:P) | Jun 24, 2021 | Jul 11, 2025 | Mar 25, 2026 |
Severity
5
CVSS
(AV:N/AC:H/Au:N/C:P/I:P/A:P)
Published
Jun 24, 2021
Added
Jul 11, 2025
Modified
Mar 25, 2026
Description
A security issue has been found in Firefox before version 88.0.1. When Web Render components were destructed, a race condition could have caused undefined behavior, and Mozilla presumes that with enough effort may have been exploitable to run arbitrary code.
Solution
arch-linux-upgrade-latest
References
Rapid7 Labs
2026 Global Threat Landscape Report
The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.