CVE-2022-3821

systemd: buffer overrun in format_timespan() function

Published Nov 8, 2022 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-3474-1 systemd security update
EUVD EUVD EUVD-2022-43162 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.
Ubuntu USN Ubuntu USN USN-5928-1 systemd vulnerabilities
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Oct 14, 2026, 1:51 PM
Reserved
Nov 2, 2022, 12:00 AM
Status
Modified
Published
Nov 8, 2022, 10:15 PM
Modified
Oct 14, 2026, 2:17 PM
Severity
Moderate
Public date
Jul 8, 2022, 12:00 AM