Integer overflow in Openimageio - CVE-2026-43907
Published: May 5, 2026
Vulnerability identifier: #VU129716
CSH Severity: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2026-43907
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Openimageio
Openimageio
Software vendor:
AcademySoftwareFoundation
AcademySoftwareFoundation
Description
The vulnerability allows a remote attacker to cause a denial of service and overwrite heap memory.
The vulnerability exists due to integer overflow in QueryRGBBufferSizeInternal in the DPX decoder when parsing a crafted DPX file with kCbYCr or kABGR descriptors. A remote attacker can supply a specially crafted DPX file to cause a denial of service and overwrite heap memory.
User interaction is required to open or process the crafted DPX file through a code path that reads pixel data.
Remediation
Install security update from vendor's website.