{"id":"CVE-2026-63422","aliases":["DEBIAN-CVE-2026-63422","EUVD-2026-83124","GHSA-xh5r-whph-qmc5","UBUNTU-CVE-2026-63422","openSUSE-SU-2026:11442-1"],"status":"published","title":"OpenImageIO OpenEXR plugin partial edge tile heap out-of-bounds write","description":"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.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00206,"percentile":0.1078,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-122","CWE-787"],"published":"2026-08-04T00:00:00Z","modified":"2026-10-28T11:17:07Z","fixes":[{"ecosystem":"Debian:14","package":"openimageio","fixed_in":["3.1.18.0+dfsg-2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"openimageio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.4.12.0+dfsg-1","2.4.13.0+dfsg-1","2.4.14.0+dfsg-1","2.4.16.0+dfsg-1","2.4.17.0+dfsg-1","2.4.17.0+dfsg-1.1","2.4.7.1+dfsg-2","2.4.9.0+dfsg-1","2.5.10.1+dfsg-1","2.5.12.0+dfsg-1","2.5.12.0+dfsg-2","2.5.14.0+dfsg-1","2.5.15.0+dfsg-1","2.5.16.0+dfsg-1","2.5.18.0+dfsg-1","2.5.19.1+dfsg-1","2.5.19.1+dfsg-2","2.5.7.0+dfsg-1","3.1.18.0+dfsg-1","3.1.18.0+dfsg-2"]},{"source":"osv","ecosystem":"Debian:13","package":"openimageio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.5.18.0+dfsg-1","2.5.19.1+dfsg-1","2.5.19.1+dfsg-2","3.1.18.0+dfsg-1","3.1.18.0+dfsg-2"]},{"source":"osv","ecosystem":"Debian:14","package":"openimageio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.18.0+dfsg-2"}]}],"versions":["2.5.18.0+dfsg-1","2.5.19.1+dfsg-1","2.5.19.1+dfsg-2","3.1.18.0+dfsg-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"openimageio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.5.17~dfsg0-1ubuntu2","1.5.20~dfsg0-1ubuntu2","1.5.23~dfsg0-1ubuntu1","1.6.9~dfsg0-4ubuntu1","1.6.10~dfsg0-1ubuntu1","1.6.10~dfsg0-2ubuntu1","1.6.11~dfsg0-1ubuntu1","1.6.11~dfsg0-1ubuntu1+esm2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"openimageio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6.17~dfsg0-1ubuntu5","1.7.17~dfsg0-1ubuntu2","1.7.17~dfsg0-1ubuntu2+esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"openimageio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.10~dfsg0-1","2.0.11~dfsg0-1","2.0.12~dfsg0-1","2.0.12~dfsg0-1build1","2.0.12~dfsg0-1build2","2.1.10.1~dfsg0-5ubuntu4","2.1.10.1~dfsg0-5ubuntu5","2.1.12.0~dfsg0-1","2.1.12.0~dfsg0-1ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"openimageio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.2.10.1+dfsg-1build1","2.2.18.0+dfsg-1","2.2.18.0+dfsg-1build2","2.2.18.0+dfsg-1ubuntu2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:24.04:LTS","package":"openimageio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.4.14.0+dfsg-1","2.4.16.0+dfsg-1","2.4.16.0+dfsg-1build1","2.4.17.0+dfsg-1","2.4.17.0+dfsg-1build1","2.4.17.0+dfsg-1.1build3","2.4.17.0+dfsg-1.1build4","2.4.17.0+dfsg-1.1ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"openimageio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.5.19.1+dfsg-2","2.5.19.1+dfsg-2build1","2.5.19.1+dfsg-2build2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:26.04:LTS","package":"openimageio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.5.18.0+dfsg-1build2","2.5.19.1+dfsg-1build1","2.5.19.1+dfsg-1build3","2.5.19.1+dfsg-1build5","2.5.19.1+dfsg-2","2.5.19.1+dfsg-2ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"OpenImageIO","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.16.0-1.1"}]}],"bundled":8}],"products":[{"vendor":"academysoftwarefoundation","product":"openimageio"},{"vendor":"openimageio","product":"openimageio"}],"references":[{"url":"https://github.com/AcademySoftwareFoundation/OpenImageIO/security/advisories/GHSA-xh5r-whph-qmc5","tags":["x_refsource_CONFIRM","Exploit","Mitigation","Vendor Advisory","advisory","report"]},{"url":"https://github.com/AcademySoftwareFoundation/OpenImageIO/pull/5295","tags":["x_refsource_MISC","Issue Tracking","Patch","fix","report"]},{"url":"https://github.com/AcademySoftwareFoundation/OpenImageIO/commit/7303134f13b0f9dc738b8ecabecd8c9f90cbd4c9","tags":["x_refsource_MISC","Patch","fix","report"]},{"url":"https://github.com/AcademySoftwareFoundation/OpenImageIO/releases/tag/v3.0.21.0","tags":["x_refsource_MISC","Release Notes","web","report"]},{"url":"https://github.com/AcademySoftwareFoundation/OpenImageIO/releases/tag/v3.1.16.0","tags":["x_refsource_MISC","Release Notes","web","report"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63422.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63422","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-63422","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-63422","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-63422","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2026-63419","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-63420","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-63422","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-63635","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-63638","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-65969","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-65970","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-67549","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2026-63422","title":"OpenImageIO OpenEXR plugin partial edge tile heap out-of-bounds write","description":"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.","status":"published","published":"2026-09-18T15:37:57.906Z","modified":"2026-09-21T20:50:51.258Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-122","CWE-787"],"updated_at":"2026-11-02T14:19:55.914391Z"}],"euvd":[{"id":"EUVD-2026-83124","description":"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.","status":"published","published":"2026-09-18T15:37:57Z","modified":"2026-09-21T20:50:51Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T17:28:04.224689Z"}],"nvd":[{"id":"CVE-2026-63422","description":"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.","status":"published","published":"2026-09-18T16:17:07.987Z","modified":"2026-09-29T18:56:15.287Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-122","CWE-787"],"updated_at":"2026-11-02T14:12:49.70655Z"}],"osv":[{"id":"CVE-2026-63422","title":"OpenImageIO OpenEXR plugin partial edge tile heap out-of-bounds write","description":"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.","status":"published","published":"2026-09-18T15:37:57.906Z","modified":"2026-10-28T11:17:07.151273402Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-122","CWE-787"],"updated_at":"2026-11-02T15:45:13.306117Z"},{"id":"DEBIAN-CVE-2026-63422","description":"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.","status":"published","published":"2026-09-18T16:17:07.987Z","modified":"2026-10-13T05:00:14.383155287Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:57.932517Z"},{"id":"UBUNTU-CVE-2026-63422","description":"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.","status":"published","published":"2026-09-18T16:17:00Z","modified":"2026-10-17T13:00:32.463128145Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T16:56:43.630667Z"},{"id":"openSUSE-SU-2026:11442-1","title":"OpenImageIO-3.1.16.0-1.1 on GA media","description":"These are all security issues fixed in the OpenImageIO-3.1.16.0-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-08-04T00:00:00Z","modified":"2026-08-05T18:23:51.073114674Z","updated_at":"2026-11-02T16:58:39.516824Z"}]}}