{"id":"CVE-2026-59184","summary":"OpenEXR: OpenEXRUtil FlatImageChannel row nonzero dataWindow heap OOB write","details":"OpenEXR is the reference implementation and specification for the EXR image format, widely used in the motion picture industry. Versions before 3.2.11, 3.3.0 through 3.3.12, and 3.4.0 through 3.4.13 allow a crafted EXR with a nonzero dataWindow.min to make TypedFlatImageChannel::row() return an invalid heap pointer, causing out-of-bounds or use-after-free writes. This occurs when an application writes rows through FlatHalfChannel::row(). Affected consumers are tools, converters, render pipeline components, or image-processing services that accept untrusted EXR files and use FlatHalfChannel::row() on loaded images. This issue is fixed in versions 3.2.11, 3.3.13, and 3.4.14.","aliases":["GHSA-pqp9-558c-453q"],"modified":"2026-08-27T11:47:33.263825123Z","published":"2026-08-25T16:28:47.827Z","related":["openSUSE-SU-2026:11612-1"],"database_specific":{"cwe_ids":["CWE-416","CWE-787"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59184.json","cna_assigner":"GitHub_M"},"references":[{"type":"ADVISORY","url":"https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-pqp9-558c-453q"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59184.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-59184"},{"type":"FIX","url":"https://github.com/AcademySoftwareFoundation/openexr/commit/37f03b6ed90f3dd9910f31de3a40f25f2bc2aca1"},{"type":"FIX","url":"https://github.com/AcademySoftwareFoundation/openexr/commit/55b7958ecb5ac32c427ff39c1e063f6f7bbee77c"},{"type":"FIX","url":"https://github.com/AcademySoftwareFoundation/openexr/commit/aef02224ba282a802de65d16c49c1cdb82089dec"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/academysoftwarefoundation/openexr","events":[{"introduced":"0"},{"fixed":"ba4b1af3a096e8f69e1836b210976585189a5fca"},{"introduced":"c7d3eac70ccde2c4ed484c6638b83ba872f71464"},{"fixed":"ca50a6bb1f64c4d53362e4b67aec33e67cb7d425"},{"introduced":"20a65852895894434bea88613f6d29ac8e88bd6e"},{"fixed":"777d231a179de1711d2a942810d9559216ab3f4c"}],"database_specific":{"source":"AFFECTED_FIELD","extracted_events":[{"introduced":"0"},{"fixed":"3.2.11"},{"introduced":"3.3.0"},{"fixed":"3.3.13"},{"introduced":"3.4.0"},{"fixed":"3.4.14"}]}}],"versions":["v3.4.13-rc3","v3.4.13","v3.3.12-rc","v3.3.12","v3.2.10-rc","v3.2.10","v3.2.9-rc","v3.2.9","v3.3.11-rc3","v3.3.11","v3.4.13-rc2","v3.4.13-rc","v3.4.12","v3.4.12-rc2","v3.4.11-rc3","v3.4.11","v3.4.11-rc2","v3.4.11-rc","v3.4.10-rc","v3.4.10","v3.3.10-rc2","v3.3.10","v3.2.8-rc","v3.2.8","v3.3.10-rc","v3.2.7-rc","v3.2.7","v3.3.9-rc2","v3.3.9","v3.4.9","v3.3.9-rc","v3.2.6-rc","v3.2.6","v3.3.8-rc","v3.3.8","v3.4.9-rc","v3.4.8-rc","v3.4.8","v3.4.7","v3.4.7-rc","v3.4.6","v3.4.6-rc","v3.2.5-rc","v3.2.5","v3.3.7-rc4","v3.3.7","v3.4.5","v3.4.5-rc","v3.3.7-rc3","v3.3.7-rc2","v3.3.7-rc","v3.3.6","v3.4.4-rc2","v3.4.4","v3.4.4-rc","v3.4.3-rc3","v3.4.3","v3.3.6-rc4","v3.3.6-rc3","v3.4.3-rc2","v3.2.4-rc2","v3.2.4","v3.3.6-rc2","v3.4.3-rc","v3.3.6-rc","v3.3.5","v3.4.2-rc2","v3.4.2","v3.4.2-rc","v3.4.1-rc2","v3.4.1","v3.4.1-rc","v3.4.0","v3.3.5-rc3","v3.3.5-rc","v3.3.4-rc","v3.3.4","v3.3.3-rc1","v3.3.3","v3.3.3-rc","v3.3.2-rc4","v3.3.2","v3.3.2-rc3","v3.3.2-rc2","v3.3.2-rc","v3.3.1-rc","v3.3.1","v3.3.0-rc2","v3.3.0","v3.2.4-rc","v3.2.3-rc2","v3.2.3","v3.2.3-rc","v3.2.2","v3.2.2-rc2","v3.2.2-rc","v3.2.1-rc","v3.2.1","v3.2.0-rc4","v3.2.0","v3.2.0-rc3","v3.2.0-rc2","v3.2.0-rc","v3.0.0-beta","v2.5.0","v2.4.0","v2.4.0-beta.1","v2.3.0","v2.1.0","v2.0.1","v2.0.0.GM","v2.0.0","v1.7.1","OPENEXR_1_0_4"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-59184.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H"}]}