Out-of-bounds write in Openimageio - CVE-2026-43903
Published: May 5, 2026
Vulnerability identifier: #VU129721
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-2026-43903
CWE-ID: CWE-787
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.
The vulnerability exists due to out-of-bounds write in the SGI RLE decoder when parsing a crafted .sgi file. A remote attacker can supply a crafted .sgi file with an RLE count exceeding the scanline width to cause a denial of service.
User interaction is required to open the crafted file, and the issue affects release builds where the bounds checks compile to no-ops.
Remediation
Install security update from vendor's website.