Out-of-bounds Read in Academysoftwarefoundation Openimageio

CVE-2026-43909

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 loop index expression i * 4 inside Sw…

Vulnerability class: Buffer Overflow

EPSS: 0.000 (13.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-43909?
CVE-2026-43909 is a high-severity vulnerability in Academysoftwarefoundation Openimageio, classified under Out-of-bounds Read. CVSS score: 8.8/10. Published 2026-05-14.
How severe is CVE-2026-43909?
High severity. CVSS v3 base score is 8.8 out of 10.