Integer overflow in Openimageio - CVE-2026-43909
Published: May 5, 2026
Vulnerability identifier: #VU129714
CSH Severity: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2026-43909
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 execute arbitrary code or cause a denial of service.
The vulnerability exists due to integer overflow in SwapRGBABytes() in the DPX ABGR decoder when parsing a crafted kABGR DPX image with large dimensions. A remote attacker can supply a specially crafted DPX file to execute arbitrary code or cause a denial of service.
User interaction is required to open or process the crafted DPX file.
Remediation
Install security update from vendor's website.