{"id":"CVE-2026-113681","state":"PUBLISHED","title":"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","description":"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.","publishedAt":"2026-10-20T15:40:41.797Z","updatedAt":"2026-10-22T09:49:36.614Z","severity":{"score":6.8,"label":"Medium","version":"4.0","vector":"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","source":"VulnCheck"},"assigner":"VulnCheck","products":["AcademySoftwareFoundation OpenImageIO"],"affected":[{"vendor":"AcademySoftwareFoundation","product":"OpenImageIO","packageURL":"pkg:pypi/openimageio","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"3.0.20.0","versionType":"custom"},{"version":"3.1.0.0","status":"affected","lessThan":"3.1.15.0","versionType":"custom"},{"version":"3.2.0.0-dev","status":"affected","lessThan":"3.2.0.3-beta1","versionType":"custom"}],"repo":"https://github.com/AcademySoftwareFoundation/OpenImageIO"}],"references":["https://github.com/AcademySoftwareFoundation/OpenImageIO/pull/5567","https://github.com/AcademySoftwareFoundation/OpenImageIO/pull/5568","https://github.com/AcademySoftwareFoundation/OpenImageIO/commit/07e3c3e0373551c57e7d8e01353deaa4b3646613","https://github.com/AcademySoftwareFoundation/OpenImageIO/blob/v3.0.19.0/src/cineon.imageio/libcineon/Codec.cpp#L79-L82","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"],"weaknesses":["CWE-190"],"ingestedAt":"2026-10-29T20:10:43.281Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/113xxx/CVE-2026-113681.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-113681","state":"PUBLISHED","datePublished":"2026-10-20T15:40:41.797Z","dateUpdated":"2026-10-22T09:49:36.614Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-10-20T14:51:02.489Z"},"containers":{"cna":{"title":"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","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"AcademySoftwareFoundation","product":"OpenImageIO","packageURL":"pkg:pypi/openimageio","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"3.0.20.0","versionType":"custom"},{"version":"3.1.0.0","status":"affected","lessThan":"3.1.15.0","versionType":"custom"},{"version":"3.2.0.0-dev","status":"affected","lessThan":"3.2.0.3-beta1","versionType":"custom"}],"repo":"https://github.com/AcademySoftwareFoundation/OpenImageIO"}],"references":[{"url":"https://github.com/AcademySoftwareFoundation/OpenImageIO/pull/5567","tags":["patch","issue-tracking"]},{"url":"https://github.com/AcademySoftwareFoundation/OpenImageIO/pull/5568","tags":["patch","issue-tracking"]},{"url":"https://github.com/AcademySoftwareFoundation/OpenImageIO/commit/07e3c3e0373551c57e7d8e01353deaa4b3646613","tags":["patch"]},{"url":"https://github.com/AcademySoftwareFoundation/OpenImageIO/blob/v3.0.19.0/src/cineon.imageio/libcineon/Codec.cpp#L79-L82","tags":["technical-description"]},{"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","name":"VulnCheck Advisory: 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","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"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","attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"PASSIVE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":6.8,"baseSeverity":"MEDIUM"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":5.5,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-190","lang":"en","description":"Integer Overflow or Wraparound","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-10-22T09:49:36.614Z"},"datePublic":"2026-10-13T13:19:03.000Z","cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:openimageio:openimageio:*:*:*:*:*:*:*:*","versionEndExcluding":"3.0.20.0"},{"vulnerable":true,"criteria":"cpe:2.3:a:openimageio:openimageio:*:*:*:*:*:*:*:*","versionStartIncluding":"3.1.0.0","versionEndExcluding":"3.1.15.0"},{"vulnerable":true,"criteria":"cpe:2.3:a:openimageio:openimageio:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2.0.0-dev","versionEndExcluding":"3.2.0.3-beta1"}]}]}],"credits":[{"lang":"en","value":"Sohaib Harraoui (Ostorlab)","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-20T16:21:27.916905Z","id":"CVE-2026-113681","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-20T16:21:37.806Z"}}]}}}