libtiff: Fix of CVE-2026-4775

{
  "id": "a3545df2099bdfa822b69f602e9e7bcfcbe323fbfc1aadf4eae35f42cd975d5f",
  "url": "https://osv.dev/vulnerability/CLSA-2026-1781100101",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "libtiff: Fix of CVE-2026-4775",
    "summary": "- CVE-2026-4775: fix signed integer overflow in putcontig8bitYCbCr44tile leading to heap out-of-bounds write",
    "evidence": "osv:CLSA-2026-1781100101",
    "products": [
      {
        "name": {
          "value": "libtiff",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.0.3-35.el7.tuxcare.els9",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libtiff-devel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.0.3-35.el7.tuxcare.els9",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libtiff-static",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.0.3-35.el7.tuxcare.els9",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libtiff-tools",
          "evidence": "/affected/3/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.0.3-35.el7.tuxcare.els9",
            "evidence": "/affected/3/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CLSA-2026-1781100101",
      "aliases": [
        "CLSA-2026-1781100101"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.0.3-35.el7.tuxcare.els9"
                }
              ]
            }
          ],
          "package": {
            "name": "libtiff",
            "purl": "pkg:rpm/tuxcare/libtiff?distro=centos-7",
            "ecosystem": "TuxCare:CentOS:7"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1781100101.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.0.3-35.el7.tuxcare.els9"
                }
              ]
            }
          ],
          "package": {
            "name": "libtiff-devel",
            "purl": "pkg:rpm/tuxcare/libtiff-devel?distro=centos-7",
            "ecosystem": "TuxCare:CentOS:7"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1781100101.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.0.3-35.el7.tuxcare.els9"
                }
              ]
            }
          ],
          "package": {
            "name": "libtiff-static",
            "purl": "pkg:rpm/tuxcare/libtiff-static?distro=centos-7",
            "ecosystem": "TuxCare:CentOS:7"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1781100101.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.0.3-35.el7.tuxcare.els9"
                }
              ]
            }
          ],
          "package": {
            "name": "libtiff-tools",
            "purl": "pkg:rpm/tuxcare/libtiff-tools?distro=centos-7",
            "ecosystem": "TuxCare:CentOS:7"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1781100101.json"
          }
        }
      ],
      "modified": "2026-10-26T09:31:42.103883231Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-4775"
      ],
      "references": [
        "https://errata.tuxcare.com/els_os/centos7els/CLSA-2026-1781100101.html",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-4775"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-4775",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 448157,
  "published_at": "2026-06-11T20:03:37+00:00"
}