Vulnerability in Academysoftwarefoundation Openimageio
CVE-2026-65970
OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant to VFX / animation. Prior to 3.1.16.0, a crafted ZIP-compressed TIFF processed with TIFF multithreading enabled can make TIFFInput::read_native_scanlines() return through an error path while asynchronous strip-decompression work remains queued. Because task_set is declared before ok and compressed_scratch, those captured objects are destroyed before the task-set destructor waits, allowing worker tasks to use stale stack and heap storage, resulting in a use-after-scope crash and denial of service. The affected implementation is identified by src/tiff.imageio/tiffinput.cpp, TIFFInput::read_native_scanlines(), task_set, ok, compressed_scratch, and uncompress_one_strip(), which define the relevant source path, functions, state, and trigger. This issue is fixed in 3.1.16.0.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (36.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 36.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Academysoftwarefoundation Openimageio — versions < 3.1.16.0
- Openimageio
Weakness classification (CWE)
References
- github.com/AcademySoftwareFoundation/OpenImageIO/security/advisories/GHSA-v278-… (Exploit, Mitigation, Vendor Advisory)
- github.com/AcademySoftwareFoundation/OpenImageIO/pull/5294 (Patch, Issue Tracking)
- github.com/AcademySoftwareFoundation/OpenImageIO/commit/31201c22df477b105b105c0… (Patch)
- github.com/AcademySoftwareFoundation/OpenImageIO/releases/tag/v3.1.16.0 (Release Notes)
Frequently asked questions
- What is CVE-2026-65970?
- CVE-2026-65970 is a medium-severity vulnerability in Academysoftwarefoundation Openimageio, classified under CWE-825. CVSS score: 5.3/10. Published 2026-09-18.
- How severe is CVE-2026-65970?
- Medium severity. CVSS v3 base score is 5.3 out of 10.