CVE-2026-43908

HighCVSS 8.8/10Last modified Oct 26, 2026

Description

OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant to VFX / animation. Prior to 3.0.18.0 and 3.1.13.0, a signed 32-bit integer overflow in the pixel-loop index expression i * 3 inside ConvertCbYCrYToRGB() causes the function to compute a large negative pointer offset into the output buffer, producing an out-of-bounds write that crashes the process. This vulnerability is fixed in 3.0.18.0 and 3.1.13.0.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-190 CWE-787

Affected software

Vendor	Product	Versions
AcademySoftwareFoundation	OpenImageIO	< 3.0.18.0; >= 3.1.4.0-beta, < 3.1.13.0

References

https://github.com/AcademySoftwareFoundation/OpenImageIO/security/advisories/GHSA-2jr5-q49v-3858Exploit, Vendor Advisory
https://github.com/AcademySoftwareFoundation/OpenImageIO/security/advisories/GHSA-2jr5-q49v-3858Exploit, Vendor Advisory

Timeline

Published: May 14, 2026
Last modified: Oct 26, 2026
NVD status: Analyzed

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