Security advisory

{
  "id": "ec44ce128e400c7b0d8f4503147319bebdb3fbcaf14cb4c26dffc5d3b227766a",
  "url": "https://osv.dev/vulnerability/CVE-2016-1901",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2016-1901",
    "summary": "Integer overflow in the authenticate_post function in CGit before 0.12 allows remote attackers to have unspecified impact via a large value in the Content-Length HTTP header, which triggers a buffer overflow.",
    "evidence": "osv:CVE-2016-1901",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2016-1901",
      "aliases": [
        "CVE-2016-1901"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.zx2c4.com/cgit",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "cadbb69990d232ce49547190b1cff2b57fc8b438"
                },
                {
                  "fixed": "4458abf64172a62b92810c2293450106e6dfc763"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:cgit_project:cgit:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "0.11.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "4458abf64172a62b92810c2293450106e6dfc763"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.11.2",
            "v0.11.1",
            "v0.11.0",
            "v0.10.2",
            "v0.10.1",
            "v0.10",
            "v0.9.2",
            "v0.9.1",
            "v0.9",
            "v0.8.3",
            "v0.8.2",
            "v0.8.1",
            "v0.8",
            "v0.7",
            "v0.6.3",
            "v0.6.2",
            "v0.6.1",
            "v0.6",
            "v0.5",
            "v0.4",
            "v0.3",
            "v0.2",
            "v0.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-1901.json",
            "vanir_signatures": [
              {
                "id": "CVE-2016-1901-95834c7c",
                "digest": {
                  "length": 502,
                  "function_hash": "91807045455295017519516621474102082140"
                },
                "source": "https://git.zx2c4.com/cgit@4458abf64172a62b92810c2293450106e6dfc763",
                "target": {
                  "file": "cgit.c",
                  "function": "authenticate_post"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2016-1901-d5b187a7",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
                    "50161904421011037412943174156570592313",
                    "323348394024932948650418271075221821184",
                    "134652070258692373190625334827825705051",
                    "141316581865117512757489622978323703720"
                  ]
                },
                "source": "https://git.zx2c4.com/cgit@4458abf64172a62b92810c2293450106e6dfc763",
                "target": {
                  "file": "cgit.c"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-20T13:12:42Z"
          }
        }
      ],
      "modified": "2026-10-20T13:12:42.625805755Z",
      "provider": "osv",
      "references": [],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*"
            ],
            "vendor_product": "fedoraproject:fedora",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "22"
                  },
                  {
                    "last_affected": "22"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2016-1901",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 387302,
  "published_at": "2016-01-20T16:59:05.88+00:00"
}