CVE-2022-3821 Information

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.

Reference

https://github.com/systemd/systemd/issues/23928 https://github.com/systemd/systemd/commit/9102c625a673a3246d7e73d8737f3494446bad4e https://github.com/systemd/systemd/pull/23933 https://bugzilla.redhat.com/show_bug.cgi?id=2139327