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. CREATE(Triage):(User=admin) CVE-2022-3821 (https://nvd.nist.gov/vuln/detail/CVE-2022-3821)