Integer overflow in OpenEXR - CVE-2026-41142
Published: May 5, 2026
Vulnerability identifier: #VU129654
CSH Severity: High
CVSS v4.0: 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-2026-41142
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: OpenEXR
Affected software:
OpenEXR
OpenEXR
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code.
The vulnerability exists due to integer overflow in ImageChannel::resize in OpenEXRUtil when parsing a crafted EXR image or using the public API with a crafted dataWindow. A remote attacker can supply crafted image dimensions that cause an undersized heap allocation and subsequent out-of-bounds write to execute arbitrary code.
User interaction is required to open or process a crafted EXR image.
How to mitigate CVE-2026-41142
Install security update from vendor's website.