Security advisory

{
  "id": "345aa3296087c779a8ae4a98b366e69e0e12e443ed6f25f0271802ef3b00c81e",
  "url": "https://osv.dev/vulnerability/CVE-2020-19144",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-19144",
    "summary": "Buffer Overflow in LibTiff v4.0.10 allows attackers to cause a denial of service via the 'in _TIFFmemcpy' funtion in the component 'tif_unix.c'.",
    "evidence": "osv:CVE-2020-19144",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2020-19144",
      "aliases": [
        "CVE-2020-19144"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://gitlab.com/libtiff/libtiff",
              "type": "GIT",
              "events": [
                {
                  "introduced": "b8eac98dd0849c3f888518ce5cecc020f8b2991c"
                },
                {
                  "last_affected": "b8eac98dd0849c3f888518ce5cecc020f8b2991c"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:simplesystems:libtiff:4.0.10:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.0.10"
                      },
                      {
                        "last_affected": "4.0.10"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "4.0.10",
            "v4.0.10"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-19144.json"
          }
        }
      ],
      "modified": "2026-10-20T10:52:05.364447533Z",
      "provider": "osv",
      "references": [
        "https://lists.debian.org/debian-lts-announce/2021/10/msg00004.html",
        "https://security.netapp.com/advisory/ntap-20211004-0005/",
        "https://gitlab.com/libtiff/libtiff/-/issues/159"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "9.0"
                  },
                  {
                    "last_affected": "9.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-19144",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 383276,
  "published_at": "2021-09-09T15:15:08.517+00:00"
}