Security advisory

{
  "id": "6cdc981f1f19a05745a11737578d0f7ea94cbf77259ba966a0d4a1a3177c44e9",
  "url": "https://osv.dev/vulnerability/CVE-2016-8569",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2016-8569",
    "summary": "The git_oid_nfmt function in commit.c in libgit2 before 0.24.3 allows remote attackers to cause a denial of service (NULL pointer dereference) via a cat-file command with a crafted object file.",
    "evidence": "osv:CVE-2016-8569",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2016-8569",
      "aliases": [
        "CVE-2016-8569"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/libgit2/libgit2",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "8e268168ecfdcc8efe36b58b514d1b93ea3f47f8"
                },
                {
                  "fixed": "4cf1ec7cff28da8838a2f0a9fb330e312ea3f963"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:libgit2_project:libgit2:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "0.24.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "4cf1ec7cff28da8838a2f0a9fb330e312ea3f963"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v0.24.3"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.24.0",
            "v0.24.2",
            "v0.24.1",
            "v0.24.0-rc1",
            "v0.23.0",
            "v0.23.0-rc2",
            "v0.23.0-rc1",
            "v0.22.0",
            "v0.22.0-rc2",
            "v0.22.0-rc1",
            "v0.21.0",
            "v0.18.0",
            "v0.17.0",
            "v0.16.0",
            "v0.15.0",
            "v0.14.0",
            "v0.13.0",
            "v0.12.0",
            "v0.11.0",
            "v0.10.0",
            "v0.8.0",
            "v0.3.0",
            "v0.2.0",
            "v0.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-8569.json"
          }
        }
      ],
      "modified": "2026-10-20T10:47:58.441941897Z",
      "provider": "osv",
      "references": [
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4E77DG5KGQ7L34U75QY7O6NIPKZNQHQJ/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X3JBSNJAXP7JA3TGE2NPNRTD77JXFG4E/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XVUEIG6EESZB6BRU2IE3F5NRUEHMAEKC/",
        "https://bugzilla.redhat.com/show_bug.cgi?id=1383211",
        "https://github.com/libgit2/libgit2/issues/3937",
        "https://github.com/libgit2/libgit2/releases/tag/v0.24.3"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:*",
              "cpe:2.3:o:fedoraproject:fedora:24:*:*:*:*:*:*:*",
              "cpe:2.3:o:fedoraproject:fedora:25:*:*:*:*:*:*:*"
            ],
            "vendor_product": "fedoraproject:fedora",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "23"
                  },
                  {
                    "last_affected": "23"
                  },
                  {
                    "introduced": "24"
                  },
                  {
                    "last_affected": "24"
                  },
                  {
                    "introduced": "25"
                  },
                  {
                    "last_affected": "25"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*",
              "cpe:2.3:o:opensuse:leap:42.2:*:*:*:*:*:*:*"
            ],
            "vendor_product": "opensuse:leap",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "42.1"
                  },
                  {
                    "last_affected": "42.1"
                  },
                  {
                    "introduced": "42.2"
                  },
                  {
                    "last_affected": "42.2"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*"
            ],
            "vendor_product": "opensuse:opensuse",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "13.2"
                  },
                  {
                    "last_affected": "13.2"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:suse:linux_enterprise:12.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "suse:linux_enterprise",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "12.0"
                  },
                  {
                    "last_affected": "12.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2016-8569",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 379876,
  "published_at": "2017-02-03T15:59:00.603+00:00"
}