Integer overflow in OpenEXR - #VU141338
Published: August 8, 2026
Vulnerability identifier: #VU141338
CSH Severity: Medium
CVSS v4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to integer overflow in the exrmaketiled ImageChannel Array2D allocation path when parsing a crafted EXR file. A remote attacker can trick the victim into opening a crafted file to cause a denial of service.
Only 32-bit ILP32 builds are vulnerable, and user interaction is required to process the crafted EXR file with the shipped exrmaketiled CLI tool.
Affected software
OpenEXR
Remediation
Install security update from vendor's website.
OpenEXR - addressed in versions 3.2.11, 3.3.13, 3.4.14