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Findings

CVE-2022-3821

An off-by-one Error issue was discovered in Systemd in format_timespan() function of time-util.c.

Published Nov 8, 2022 · updated Oct 14, 2026 · systemd project systemd

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.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 8, 2022 · NIST NVD

    Detected

    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.

  2. Oct 14, 2026 · NIST NVD

    Updated

    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.

Affected

  • cpe fedoraproject/fedora35
  • cpe redhat/enterprise linux8.0
  • cpe redhat/enterprise linux9.0
  • cpe systemd project/systemdversion unspecified

Sources

  • CVE.orgCVE-2022-3821

    Official CVE identifier

    cve.org
  • NIST NVDCVE-2022-3821

    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.

    nvd.nist.gov

References