CVE-2022-3821 (GCVE-0-2022-3821)

Vulnerability from cvelistv5 – Published: 2022-11-08 00:00 – Updated: 2025-05-02 18:12
VLAI
Summary
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.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-02 18:10 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version CPE status
n/a systemd Affected: Fixed in systemd v252-rc1
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T01:20:58.329Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2139327"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/systemd/systemd/issues/23928"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/systemd/systemd/pull/23933"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/systemd/systemd/commit/9102c625a673a3246d7e73d8737f3494446bad4e"
          },
          {
            "name": "FEDORA-2022-8ac4104a02",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RVBQC2VLSDVQAPJTEMTREXDL4HYLXG2P/"
          },
          {
            "name": "GLSA-202305-15",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/202305-15"
          },
          {
            "name": "[debian-lts-announce] 20230629 [SECURITY] [DLA 3474-1] systemd security update",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2023/06/msg00036.html"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 5.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2022-3821",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-05-02T18:10:56.621902Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-05-02T18:12:20.028Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "systemd",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "Fixed in systemd v252-rc1"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "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."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-193",
              "description": "CWE-193 - Off-by-one Error",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-06-29T00:00:00.000Z",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2139327"
        },
        {
          "url": "https://github.com/systemd/systemd/issues/23928"
        },
        {
          "url": "https://github.com/systemd/systemd/pull/23933"
        },
        {
          "url": "https://github.com/systemd/systemd/commit/9102c625a673a3246d7e73d8737f3494446bad4e"
        },
        {
          "name": "FEDORA-2022-8ac4104a02",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RVBQC2VLSDVQAPJTEMTREXDL4HYLXG2P/"
        },
        {
          "name": "GLSA-202305-15",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://security.gentoo.org/glsa/202305-15"
        },
        {
          "name": "[debian-lts-announce] 20230629 [SECURITY] [DLA 3474-1] systemd security update",
          "tags": [
            "mailing-list"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2023/06/msg00036.html"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2022-3821",
    "datePublished": "2022-11-08T00:00:00.000Z",
    "dateReserved": "2022-11-02T00:00:00.000Z",
    "dateUpdated": "2025-05-02T18:12:20.028Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2022-3821",
      "date": "2026-09-22",
      "epss": "0.0042",
      "percentile": "0.35998"
    },
    "fkie_nvd": {
      "configurations": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:*",
                  "matchCriteriaId": "52303FA5-37AB-4D24-8121-64BBF929D93B",
                  "versionEndIncluding": "251",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        },
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*",
                  "matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*",
                  "matchCriteriaId": "7F6FB57C-2BC7-487C-96DD-132683AEB35D",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        },
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*",
                  "matchCriteriaId": "80E516C0-98A4-4ADE-B69F-66A772E2BAAA",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "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."
        },
        {
          "lang": "es",
          "value": "Se descubri\u00f3 un problema de error de uno en uno en Systemd en la funci\u00f3n format_timespan() de time-util.c. Un atacante podr\u00eda proporcionar valores espec\u00edficos de tiempo y precisi\u00f3n que provoquen una saturaci\u00f3n del b\u00fafer en format_timespan(), lo que provocar\u00e1 una Denegaci\u00f3n de Servicio (DoS)."
        }
      ],
      "id": "CVE-2022-3821",
      "lastModified": "2024-11-21T07:20:18.240",
      "metrics": {
        "cvssMetricV31": [
          {
            "cvssData": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 5.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
              "version": "3.1"
            },
            "exploitabilityScore": 1.8,
            "impactScore": 3.6,
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      },
      "published": "2022-11-08T22:15:16.700",
      "references": [
        {
          "source": "secalert@redhat.com",
          "tags": [
            "Issue Tracking",
            "Third Party Advisory"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2139327"
        },
        {
          "source": "secalert@redhat.com",
          "tags": [
            "Patch",
            "Third Party Advisory"
          ],
          "url": "https://github.com/systemd/systemd/commit/9102c625a673a3246d7e73d8737f3494446bad4e"
        },
        {
          "source": "secalert@redhat.com",
          "tags": [
            "Exploit",
            "Issue Tracking",
            "Third Party Advisory"
          ],
          "url": "https://github.com/systemd/systemd/issues/23928"
        },
        {
          "source": "secalert@redhat.com",
          "tags": [
            "Patch",
            "Third Party Advisory"
          ],
          "url": "https://github.com/systemd/systemd/pull/23933"
        },
        {
          "source": "secalert@redhat.com",
          "url": "https://lists.debian.org/debian-lts-announce/2023/06/msg00036.html"
        },
        {
          "source": "secalert@redhat.com",
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RVBQC2VLSDVQAPJTEMTREXDL4HYLXG2P/"
        },
        {
          "source": "secalert@redhat.com",
          "url": "https://security.gentoo.org/glsa/202305-15"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Issue Tracking",
            "Third Party Advisory"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2139327"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Patch",
            "Third Party Advisory"
          ],
          "url": "https://github.com/systemd/systemd/commit/9102c625a673a3246d7e73d8737f3494446bad4e"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Exploit",
            "Issue Tracking",
            "Third Party Advisory"
          ],
          "url": "https://github.com/systemd/systemd/issues/23928"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Patch",
            "Third Party Advisory"
          ],
          "url": "https://github.com/systemd/systemd/pull/23933"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "https://lists.debian.org/debian-lts-announce/2023/06/msg00036.html"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RVBQC2VLSDVQAPJTEMTREXDL4HYLXG2P/"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "https://security.gentoo.org/glsa/202305-15"
        }
      ],
      "sourceIdentifier": "secalert@redhat.com",
      "vulnStatus": "Modified",
      "weaknesses": [
        {
          "description": [
            {
              "lang": "en",
              "value": "CWE-193"
            }
          ],
          "source": "secalert@redhat.com",
          "type": "Primary"
        }
      ]
    },
    "microsoft_vex": {
      "current_release_date": "2024-06-30T07:00:00.000Z",
      "cve": "CVE-2022-3821",
      "id": "msrc_CVE-2022-3821",
      "initial_release_date": "2022-11-02T00:00:00.000Z",
      "product_status:fixed": "3",
      "product_status:known_affected": "3",
      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "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.",
      "url": "https://msrc.microsoft.com/csaf/vex/2022/msrc_cve-2022-3821.json",
      "version": "2"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "product": "systemd",
                "vendor": "n/a",
                "versions": [
                  {
                    "status": "affected",
                    "version": "Fixed in systemd v252-rc1"
                  }
                ]
              }
            ],
            "source": "secalert@redhat.com"
          }
        ],
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "52303FA5-37AB-4D24-8121-64BBF929D93B",
                    "versionEndIncluding": "251",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "7F6FB57C-2BC7-487C-96DD-132683AEB35D",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*",
                    "matchCriteriaId": "80E516C0-98A4-4ADE-B69F-66A772E2BAAA",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "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."
          },
          {
            "lang": "es",
            "value": "Se descubri\u00f3 un problema de error de uno en uno en Systemd en la funci\u00f3n format_timespan() de time-util.c. Un atacante podr\u00eda proporcionar valores espec\u00edficos de tiempo y precisi\u00f3n que provoquen una saturaci\u00f3n del b\u00fafer en format_timespan(), lo que provocar\u00e1 una Denegaci\u00f3n de Servicio (DoS)."
          }
        ],
        "id": "CVE-2022-3821",
        "lastModified": "2026-06-17T05:00:21.910",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 5.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.8,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
            },
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 5.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.8,
              "impactScore": 3.6,
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "type": "Secondary"
            }
          ],
          "ssvcV203": [
            {
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "ssvcData": {
                "id": "CVE-2022-3821",
                "options": [
                  {
                    "exploitation": "none"
                  },
                  {
                    "automatable": "no"
                  },
                  {
                    "technicalImpact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-05-02T18:10:56.621902Z",
                "version": "2.0.3"
              }
            }
          ]
        },
        "published": "2022-11-08T22:15:16.700",
        "references": [
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Issue Tracking",
              "Third Party Advisory"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2139327"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Patch",
              "Third Party Advisory"
            ],
            "url": "https://github.com/systemd/systemd/commit/9102c625a673a3246d7e73d8737f3494446bad4e"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Exploit",
              "Issue Tracking",
              "Third Party Advisory"
            ],
            "url": "https://github.com/systemd/systemd/issues/23928"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Patch",
              "Third Party Advisory"
            ],
            "url": "https://github.com/systemd/systemd/pull/23933"
          },
          {
            "source": "secalert@redhat.com",
            "url": "https://lists.debian.org/debian-lts-announce/2023/06/msg00036.html"
          },
          {
            "source": "secalert@redhat.com",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RVBQC2VLSDVQAPJTEMTREXDL4HYLXG2P/"
          },
          {
            "source": "secalert@redhat.com",
            "url": "https://security.gentoo.org/glsa/202305-15"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Issue Tracking",
              "Third Party Advisory"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2139327"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Patch",
              "Third Party Advisory"
            ],
            "url": "https://github.com/systemd/systemd/commit/9102c625a673a3246d7e73d8737f3494446bad4e"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Exploit",
              "Issue Tracking",
              "Third Party Advisory"
            ],
            "url": "https://github.com/systemd/systemd/issues/23928"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Patch",
              "Third Party Advisory"
            ],
            "url": "https://github.com/systemd/systemd/pull/23933"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://lists.debian.org/debian-lts-announce/2023/06/msg00036.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RVBQC2VLSDVQAPJTEMTREXDL4HYLXG2P/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://security.gentoo.org/glsa/202305-15"
          }
        ],
        "sourceIdentifier": "secalert@redhat.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-193"
              }
            ],
            "source": "secalert@redhat.com",
            "type": "Secondary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T11:49:26+00:00",
      "cve": "CVE-2022-3821",
      "id": "CVE-2022-3821",
      "initial_release_date": "2022-07-08T00:00:00+00:00",
      "product_status:fixed": "358",
      "product_status:known_affected": "11",
      "product_status:known_not_affected": "35",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "systemd: buffer overrun in format_timespan() function",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-3821.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-01T01:33:44Z",
      "cve": "CVE-2022-3821",
      "id": "CVE-2022-3821",
      "initial_release_date": "2023-02-15T03:30:51Z",
      "product_status:known_affected": "254",
      "product_status:known_not_affected": "121",
      "product_status:recommended": "954",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2022-3821",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-3821.json",
      "version": "65"
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-03T01:20:58.329Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "tags": [
                  "x_transferred"
                ],
                "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2139327"
              },
              {
                "tags": [
                  "x_transferred"
                ],
                "url": "https://github.com/systemd/systemd/issues/23928"
              },
              {
                "tags": [
                  "x_transferred"
                ],
                "url": "https://github.com/systemd/systemd/pull/23933"
              },
              {
                "tags": [
                  "x_transferred"
                ],
                "url": "https://github.com/systemd/systemd/commit/9102c625a673a3246d7e73d8737f3494446bad4e"
              },
              {
                "name": "FEDORA-2022-8ac4104a02",
                "tags": [
                  "vendor-advisory",
                  "x_transferred"
                ],
                "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RVBQC2VLSDVQAPJTEMTREXDL4HYLXG2P/"
              },
              {
                "name": "GLSA-202305-15",
                "tags": [
                  "vendor-advisory",
                  "x_transferred"
                ],
                "url": "https://security.gentoo.org/glsa/202305-15"
              },
              {
                "name": "[debian-lts-announce] 20230629 [SECURITY] [DLA 3474-1] systemd security update",
                "tags": [
                  "mailing-list",
                  "x_transferred"
                ],
                "url": "https://lists.debian.org/debian-lts-announce/2023/06/msg00036.html"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "cvssV3_1": {
                  "attackComplexity": "LOW",
                  "attackVector": "LOCAL",
                  "availabilityImpact": "HIGH",
                  "baseScore": 5.5,
                  "baseSeverity": "MEDIUM",
                  "confidentialityImpact": "NONE",
                  "integrityImpact": "NONE",
                  "privilegesRequired": "LOW",
                  "scope": "UNCHANGED",
                  "userInteraction": "NONE",
                  "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "version": "3.1"
                }
              },
              {
                "other": {
                  "content": {
                    "id": "CVE-2022-3821",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2025-05-02T18:10:56.621902Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2025-05-02T18:11:56.738Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "product": "systemd",
              "vendor": "n/a",
              "versions": [
                {
                  "status": "affected",
                  "version": "Fixed in systemd v252-rc1"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "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."
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-193",
                  "description": "CWE-193 - Off-by-one Error",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-06-29T00:00:00.000Z",
            "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
            "shortName": "redhat"
          },
          "references": [
            {
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2139327"
            },
            {
              "url": "https://github.com/systemd/systemd/issues/23928"
            },
            {
              "url": "https://github.com/systemd/systemd/pull/23933"
            },
            {
              "url": "https://github.com/systemd/systemd/commit/9102c625a673a3246d7e73d8737f3494446bad4e"
            },
            {
              "name": "FEDORA-2022-8ac4104a02",
              "tags": [
                "vendor-advisory"
              ],
              "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RVBQC2VLSDVQAPJTEMTREXDL4HYLXG2P/"
            },
            {
              "name": "GLSA-202305-15",
              "tags": [
                "vendor-advisory"
              ],
              "url": "https://security.gentoo.org/glsa/202305-15"
            },
            {
              "name": "[debian-lts-announce] 20230629 [SECURITY] [DLA 3474-1] systemd security update",
              "tags": [
                "mailing-list"
              ],
              "url": "https://lists.debian.org/debian-lts-announce/2023/06/msg00036.html"
            }
          ]
        }
      },
      "cveMetadata": {
        "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "assignerShortName": "redhat",
        "cveId": "CVE-2022-3821",
        "datePublished": "2022-11-08T00:00:00.000Z",
        "dateReserved": "2022-11-02T00:00:00.000Z",
        "dateUpdated": "2025-05-02T18:12:20.028Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.