Security advisory

{
  "id": "ed5c21d1c4575f42af7252f392514102ce6595251b2483f89c41820ef68e1129",
  "url": "https://osv.dev/vulnerability/CVE-2018-19210",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-19210",
    "summary": "In LibTIFF 4.0.9, there is a NULL pointer dereference in the TIFFWriteDirectorySec function in tif_dirwrite.c that will lead to a denial of service attack, as demonstrated by tiffset.",
    "evidence": "osv:CVE-2018-19210",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2018-19210",
      "aliases": [
        "CVE-2018-19210"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/vadz/libtiff",
              "type": "GIT",
              "events": [
                {
                  "introduced": "636f2684a0faaf9510ae4219f286a53f98f37483"
                },
                {
                  "last_affected": "636f2684a0faaf9510ae4219f286a53f98f37483"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:libtiff:libtiff:4.0.9:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.0.9"
                      },
                      {
                        "last_affected": "4.0.9"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "4.0.9",
            "Release-v4-0-9"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-19210.json"
          }
        },
        {
          "ranges": [
            {
              "repo": "https://gitlab.com/libtiff/libtiff",
              "type": "GIT",
              "events": [
                {
                  "introduced": "020bd2fd3b4235b2175dafa9633d2b191c50e7cd"
                },
                {
                  "last_affected": "020bd2fd3b4235b2175dafa9633d2b191c50e7cd"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:libtiff:libtiff:4.0.9:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.0.9"
                      },
                      {
                        "last_affected": "4.0.9"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "4.0.9",
            "v4.0.9"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-19210.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:45.492276130Z",
      "provider": "osv",
      "references": [
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/C6IL2QFKE6MGVUTOPU2UUWITTE36KRDF/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TX5UEYHGMTNEHJB4FHE7HCJ75UQDNKGB/",
        "https://seclists.org/bugtraq/2019/Nov/5",
        "https://lists.debian.org/debian-lts-announce/2019/02/msg00026.html",
        "https://security.gentoo.org/glsa/202003-25",
        "https://usn.ubuntu.com/3906-1/",
        "https://www.debian.org/security/2020/dsa-4670"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*",
              "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
              "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
              "cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*"
            ],
            "vendor_product": "canonical:ubuntu_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "14.04"
                  },
                  {
                    "last_affected": "14.04"
                  },
                  {
                    "introduced": "16.04"
                  },
                  {
                    "last_affected": "16.04"
                  },
                  {
                    "introduced": "18.04"
                  },
                  {
                    "last_affected": "18.04"
                  },
                  {
                    "introduced": "18.10"
                  },
                  {
                    "last_affected": "18.10"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "8.0"
                  },
                  {
                    "last_affected": "8.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2018-19210",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 436124,
  "published_at": "2018-11-12T19:29:00.3+00:00"
}