Integer overflow in Openimageio - CVE-2026-43905
Published: May 5, 2026
Vulnerability identifier: #VU129719
CSH Severity: High
CVSS v4: 8.6 [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]
CVE-ID: CVE-2026-43905
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code.
The vulnerability exists due to integer overflow or wraparound in the JPEG2000 reader buffer allocation in jpeg2000input.cpp when parsing a crafted JPEG2000 file with large dimensions. A remote attacker can supply a specially crafted JPEG2000 file to execute arbitrary code.
Only builds compiled with the USE_OPENJPH flag are vulnerable. User interaction is required to open the crafted file.
Affected software
Openimageio
How to mitigate CVE-2026-43905
Install security update from vendor's website.
Openimageio - addressed in versions 3.0.18.0, 3.1.13.0