CVE-2022-3821
systemd - security update
5.5
MEDIUM
CVSS 3.1
EPSS 0.03%
Description
An off-by-one Error issue was discovered in Systemd in format_timespan() function of time-util.c. An attacker could supply specific values for time and accuracy that leads to buffer overrun in format_timespan(), leading to a Denial of Service.
How to fix CVE-2022-3821
To remediate CVE-2022-3821, upgrade the affected package to a fixed version below.
- Debian/systemd—upgrade to 247.3-7+deb11u2 or later
- —upgrade to 241-7~deb10u10 or later
Is CVE-2022-3821 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 247.3-7+deb11u2
- from 0, < 241-7~deb10u10
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |