{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-63422", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-07-16T19:20:28.988Z", "datePublished": "2026-09-18T15:37:57.906Z", "dateUpdated": "2026-09-18T15:37:57.906Z"}, "containers": {"cna": {"title": "OpenImageIO OpenEXR plugin partial edge tile heap out-of-bounds write", "problemTypes": [{"descriptions": [{"cweId": "CWE-122", "lang": "en", "description": "CWE-122: Heap-based Buffer Overflow", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-787", "lang": "en", "description": "CWE-787: Out-of-bounds Write", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/AcademySoftwareFoundation/OpenImageIO/security/advisories/GHSA-xh5r-whph-qmc5", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/AcademySoftwareFoundation/OpenImageIO/security/advisories/GHSA-xh5r-whph-qmc5"}, {"name": "https://github.com/AcademySoftwareFoundation/OpenImageIO/pull/5295", "tags": ["x_refsource_MISC"], "url": "https://github.com/AcademySoftwareFoundation/OpenImageIO/pull/5295"}, {"name": "https://github.com/AcademySoftwareFoundation/OpenImageIO/commit/7303134f13b0f9dc738b8ecabecd8c9f90cbd4c9", "tags": ["x_refsource_MISC"], "url": "https://github.com/AcademySoftwareFoundation/OpenImageIO/commit/7303134f13b0f9dc738b8ecabecd8c9f90cbd4c9"}, {"name": "https://github.com/AcademySoftwareFoundation/OpenImageIO/releases/tag/v3.0.21.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/AcademySoftwareFoundation/OpenImageIO/releases/tag/v3.0.21.0"}, {"name": "https://github.com/AcademySoftwareFoundation/OpenImageIO/releases/tag/v3.1.16.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/AcademySoftwareFoundation/OpenImageIO/releases/tag/v3.1.16.0"}], "affected": [{"vendor": "AcademySoftwareFoundation", "product": "OpenImageIO", "versions": [{"version": "< 3.0.21.0", "status": "affected"}, {"version": ">= 3.1.0.0, < 3.1.16.0", "status": "affected"}, {"version": ">= 3.2.0.0-dev, < 3.2.0.3-beta1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-18T15:37:57.906Z"}, "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 3.0.21.0, 3.1.16.0, and 3.2.0.3-beta1, A valid tiled openexr image whose width is not a multiple of its tile width can trigger an overflow when a caller reads a partial edge-tile rectangle. openexrinput::read_native_tiles() copies each row into the caller buffer using the padded whole-tile scanline_stride rather than user_scanline_bytes for the requested rectangle, resulting in a heap out-of-bounds write and memory corruption. The affected implementation is identified by src/openexr.imageio/exrinput.cpp, OpenEXRInput::read_native_tiles(), partial edge tile, user_scanline_bytes, and scanline_stride, which define the relevant source path, functions, state, and trigger. This issue is fixed in versions 3.0.21.0, 3.1.16.0, and 3.2.0.3-beta1."}], "source": {"advisory": "GHSA-xh5r-whph-qmc5", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "OpenImageIO", "vendor": "AcademySoftwareFoundation", "versions": [{"status": "affected", "version": "< 3.0.21.0"}, {"status": "affected", "version": ">= 3.1.0.0, < 3.1.16.0"}, {"status": "affected", "version": ">= 3.2.0.0-dev, < 3.2.0.3-beta1"}]}], "source": "security-advisories@github.com"}], "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 3.0.21.0, 3.1.16.0, and 3.2.0.3-beta1, A valid tiled openexr image whose width is not a multiple of its tile width can trigger an overflow when a caller reads a partial edge-tile rectangle. openexrinput::read_native_tiles() copies each row into the caller buffer using the padded whole-tile scanline_stride rather than user_scanline_bytes for the requested rectangle, resulting in a heap out-of-bounds write and memory corruption. The affected implementation is identified by src/openexr.imageio/exrinput.cpp, OpenEXRInput::read_native_tiles(), partial edge tile, user_scanline_bytes, and scanline_stride, which define the relevant source path, functions, state, and trigger. This issue is fixed in versions 3.0.21.0, 3.1.16.0, and 3.2.0.3-beta1."}], "id": "CVE-2026-63422", "lastModified": "2026-09-18T16:17:07.987", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-09-18T16:17:07.987", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/AcademySoftwareFoundation/OpenImageIO/commit/7303134f13b0f9dc738b8ecabecd8c9f90cbd4c9"}, {"source": "security-advisories@github.com", "url": "https://github.com/AcademySoftwareFoundation/OpenImageIO/pull/5295"}, {"source": "security-advisories@github.com", "url": "https://github.com/AcademySoftwareFoundation/OpenImageIO/releases/tag/v3.0.21.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/AcademySoftwareFoundation/OpenImageIO/releases/tag/v3.1.16.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/AcademySoftwareFoundation/OpenImageIO/security/advisories/GHSA-xh5r-whph-qmc5"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-122"}, {"lang": "en", "value": "CWE-787"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}