{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-43996", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-04T20:24:31.917Z", "datePublished": "2026-05-14T19:08:26.307Z", "dateUpdated": "2026-05-14T19:08:26.307Z"}, "containers": {"cna": {"title": "OpenImageIO: Integer wraparound in bounds check of decode_pixel leads to out-of-bounds read in TGA paletted image decoder", "problemTypes": [{"descriptions": [{"cweId": "CWE-125", "lang": "en", "description": "CWE-125: Out-of-bounds Read", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/AcademySoftwareFoundation/OpenImageIO/security/advisories/GHSA-mq8j-73c4-cr55", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/AcademySoftwareFoundation/OpenImageIO/security/advisories/GHSA-mq8j-73c4-cr55"}], "affected": [{"vendor": "AcademySoftwareFoundation", "product": "OpenImageIO", "versions": [{"version": "< 3.0.18.0", "status": "affected"}, {"version": ">= 3.1.4.0-beta, < 3.1.13.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-05-14T19:08:26.307Z"}, "descriptions": [{"lang": "en", "value": "OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant to VFX / animation. Prior to 3.0.18.0 and 3.1.13.0, the bounds check in TGAInput::decode_pixel computes k + palbytespp as unsigned 32-bit arithmetic. When k = 0xFFFFFFFC and palbytespp = 4, the addition wraps to 0, which compares less than palette_alloc_size and passes the check. The subsequent palette access uses the unwrapped k (0xFFFFFFFC) as the index, reading ~4 GB past the start of the palette buffer \u2014 SEGV. This vulnerability is fixed in 3.0.18.0 and 3.1.13.0."}], "source": {"advisory": "GHSA-mq8j-73c4-cr55", "discovery": "UNKNOWN"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:openimageio:openimageio:*:*:*:*:*:*:*:*", "matchCriteriaId": "90B206C1-E7DB-4175-8077-C76D5C8533AF", "versionEndExcluding": "3.0.18.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:openimageio:openimageio:*:*:*:*:*:*:*:*", "matchCriteriaId": "E1F5BCA2-D6C4-4F7B-8D2A-EBD19A022467", "versionEndExcluding": "3.1.13.0", "versionStartIncluding": "3.1.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:openimageio:openimageio:3.2.0.0:dev:*:*:*:*:*:*", "matchCriteriaId": "F43FE0AC-4CFC-485D-8370-37336EB2CEA0", "vulnerable": true}, {"criteria": "cpe:2.3:a:openimageio:openimageio:3.2.0.2:dev:*:*:*:*:*:*", "matchCriteriaId": "450296D8-74F5-4847-8433-FE3DFB16C58E", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant to VFX / animation. Prior to 3.0.18.0 and 3.1.13.0, the bounds check in TGAInput::decode_pixel computes k + palbytespp as unsigned 32-bit arithmetic. When k = 0xFFFFFFFC and palbytespp = 4, the addition wraps to 0, which compares less than palette_alloc_size and passes the check. The subsequent palette access uses the unwrapped k (0xFFFFFFFC) as the index, reading ~4 GB past the start of the palette buffer \u2014 SEGV. This vulnerability is fixed in 3.0.18.0 and 3.1.13.0."}], "id": "CVE-2026-43996", "lastModified": "2026-05-15T18:05:36.320", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-05-14T20:17:07.300", "references": [{"source": "security-advisories@github.com", "tags": ["Vendor Advisory", "Exploit"], "url": "https://github.com/AcademySoftwareFoundation/OpenImageIO/security/advisories/GHSA-mq8j-73c4-cr55"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,3.0.18.0)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[3.1.4.0-beta,3.1.13.0)"}}], "enrichment": {"confidence": 84.0, "confidence_source": "matching", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 84.0, "source": "matching"}]}, "original": {"product": "OpenImageIO", "source": "cna", "vendor": "AcademySoftwareFoundation"}, "product": "openimageio", "vendor": "academysoftwarefoundation"}], "created": "2026-05-14T20:45:28.991643+00:00", "updated": "2026-05-15T11:15:25.895983+00:00", "vendors": ["academysoftwarefoundation", "academysoftwarefoundation$PRODUCT$openimageio"]}