
OpenImageIO vulnerabilities CVE-2026-43903, CVE-2026-43904 and CVE-2026-43906 allow denial of service or code execution on Ubuntu 16.04, 18.04, 20.04, 24.04 and 26.04 LTS, Ubuntu said in security notice USN-8438-1. https://threatcluster.io/cluster/openimageio-vulnerabilities-affect-multiple-ubuntu-releases-9971f868
Post summary
The CVEs CVE-2026-43903, CVE-2026-43904, and CVE-2026-43906 in OpenImageIO can lead to denial of service or code execution on several Ubuntu LTS releases, and Ubuntu has issued a security notice (USN-8438‑1) indicating acknowledgement of the issue.
