CVE-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.

Database specific

{
    "cna_assigner":  "redhat",
    "cwe_ids":  [
        "CWE-193"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/3xxx/CVE-2022-3821.json"
}

References

Affected packages

Git / github.com/systemd/systemd

Affected ranges

Type

GIT

Repo

https://github.com/systemd/systemd

Events

Introduced

7dbbb3933d3eff9fd6f44fb38c39b9b452933128

Fixed

9102c625a673a3246d7e73d8737f3494446bad4e

Database specific

Show details

{
    "extracted_events":  [
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            "range":  [
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                    "introduced":  "Fixed in systemd v252-rc1"
                },
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                    "last_affected":  "Fixed in systemd v252-rc1"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandaloneSingleVersion"
        },
        {
            "range":  [
                {
                    "fixed":  "9102c625a673a3246d7e73d8737f3494446bad4e"
                }
            ],
            "source":  "REFERENCES_COMMIT"
        }
    ]
}

Affected versions

Other

Fixed in systemd v252-rc1

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-3821.json"

vanir_signatures

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vanir_signatures_modified

"2026-10-22T07:12:49Z"