{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "0"
                  },
                  {
                    "fixed": "3.0.20.0"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              },
              {
                "range": [
                  {
                    "introduced": "3.1.0.0"
                  },
                  {
                    "fixed": "3.1.15.0"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              },
              {
                "range": [
                  {
                    "introduced": "3.2.0.0-dev"
                  },
                  {
                    "fixed": "3.2.0.3-beta1"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              },
              {
                "range": [
                  {
                    "fixed": "07e3c3e0373551c57e7d8e01353deaa4b3646613"
                  }
                ],
                "source": "REFERENCES_COMMIT"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "49696331774f2da1f136c4217e23c1e4d920a376"
            },
            {
              "fixed": "cbe57bc005678ca310835473568121719861734c"
            },
            {
              "introduced": "a0940a9f1e4a8ff20edc9d550a4dea4723d1aa58"
            },
            {
              "fixed": "45414c1aedcd3cc98244b4c5802ec53e91976f70"
            },
            {
              "fixed": "07e3c3e0373551c57e7d8e01353deaa4b3646613"
            }
          ],
          "repo": "https://github.com/academysoftwarefoundation/openimageio",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-190"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/113xxx/CVE-2026-113681.json"
  },
  "details": "OpenImageIO before 3.0.20.0, 3.1.x before 3.1.15.0, and 3.2.x before 3.2.0.3-beta1 contains an integer overflow in cineon::Codec::Read that undersizes the scanline buffer, causing a heap out-of-bounds read. Attackers can supply a crafted Cineon file with a huge declared width that wraps the size calculation to zero, so UnPackPacked reads past a 4-byte buffer and crashes the application.",
  "id": "CVE-2026-113681",
  "modified": "2026-10-21T02:30:57.092114169Z",
  "published": "2026-10-20T15:40:41.797Z",
  "references": [
    {
      "type": "PACKAGE",
      "url": "https://github.com/AcademySoftwareFoundation/OpenImageIO"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/AcademySoftwareFoundation/OpenImageIO/blob/v3.0.19.0/src/cineon.imageio/libcineon/Codec.cpp#L79-L82"
    },
    {
      "type": "FIX",
      "url": "https://github.com/AcademySoftwareFoundation/OpenImageIO/commit/07e3c3e0373551c57e7d8e01353deaa4b3646613"
    },
    {
      "type": "FIX",
      "url": "https://github.com/AcademySoftwareFoundation/OpenImageIO/pull/5567"
    },
    {
      "type": "FIX",
      "url": "https://github.com/AcademySoftwareFoundation/OpenImageIO/pull/5568"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/113xxx/CVE-2026-113681.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-113681"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/openimageio-before-3.0.20.0-3.1-x-before-3.1.15.0-and-3.2-x-before-3.2.0.3-beta1-cineon-reader-heap-out-of-bounds-read"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "OpenImageIO before 3.0.20.0, 3.1.x before 3.1.15.0, and 3.2.x before 3.2.0.3-beta1 Cineon Reader Heap Out-of-Bounds Read"
}