{"id":"CVE-2026-65969","title":"OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant to VFX / animation","summary":"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 truncated tga can leave a pending gif frame that is proce…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","cwe":["CWE-125","CWE-190"],"vendor":"openimageio","product":"openimageio","affected":["openimageio < 3.0.21.0","openimageio >= 3.1.0.0, <= 3.1.16.0","openimageio = 3.2.0.0","openimageio = 3.2.0.2"],"patched":["openimageio 3.0.21.0"],"published":"2026-09-18","updated":"2026-09-29","sourceUpdated":"2026-09-29T18:55:35.733","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-65969","references":[{"url":"https://github.com/AcademySoftwareFoundation/OpenImageIO/commit/134977da625a84fc5a09a34321806f1fe0093c24","label":"security-advisories@github.com"},{"url":"https://github.com/AcademySoftwareFoundation/OpenImageIO/pull/5292","label":"security-advisories@github.com"},{"url":"https://github.com/AcademySoftwareFoundation/OpenImageIO/releases/tag/v3.0.21.0","label":"security-advisories@github.com"},{"url":"https://github.com/AcademySoftwareFoundation/OpenImageIO/releases/tag/v3.1.16.0","label":"security-advisories@github.com"},{"url":"https://github.com/AcademySoftwareFoundation/OpenImageIO/security/advisories/GHSA-9mwc-fjgj-8wmq","label":"security-advisories@github.com"}],"tags":["nvd","cve.org"],"epss":0.00196,"epssPercentile":0.09231,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-18T19:30:27.991313Z"},"ingestedAt":"2026-09-18T16:45:41.389Z","slug":"CVE-2026-65969","body":"## Overview\n\nOpenImageIO 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 truncated tga can leave a pending gif frame that is processed during output close. gifsplitpalette() computes numpixels multiplied by the palette partition width in signed 32-bit arithmetic; a large image overflows that intermediate, corrupts subpixelsa, and drives an out-of-bounds read while building the gif palette, resulting in a process crash and denial of service. The affected implementation is identified by src/gif.imageio/gif.h, GifSplitPalette(), numPixels, subPixelsA, GIFOutput, and truncated TGA input, 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.\n\n## Affected\n\n- `openimageio < 3.0.21.0`\n- `openimageio >= 3.1.0.0, <= 3.1.16.0`\n- `openimageio = 3.2.0.0`\n- `openimageio = 3.2.0.2`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `openimageio 3.0.21.0`","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}