CVE-2022-3821

medium

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.

References

Advisories
More

https://security.gentoo.org/glsa/202305-15

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RVBQC2VLSDVQAPJTEMTREXDL4HYLXG2P/

https://github.com/systemd/systemd/pull/23933

https://github.com/systemd/systemd/commit/9102c625a673a3246d7e73d8737f3494446bad4e

https://bugzilla.redhat.com/show_bug.cgi?id=2139327

https://lists.debian.org/debian-lts-announce/2023/06/msg00036.html

https://github.com/systemd/systemd/issues/23928

Details

Source: Mitre, NVD

Published: 2022-11-08

Updated: 2025-05-02

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H