vulnerability
Arch Linux: Denial of service (CVE-2021-33910)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:N/C:N/I:N/A:C) | Jul 20, 2021 | Jul 11, 2025 | Mar 25, 2026 |
Severity
5
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:C)
Published
Jul 20, 2021
Added
Jul 11, 2025
Modified
Mar 25, 2026
Description
A denial of service security issue has been found in systemd before version 249.1. A local attacker who is able to mount a filesystem with a very long path can crash systemd and the whole system through an attacker-controlled alloca().
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.