CVE-2026-41142

A flaw was found in OpenEXR, an image storage format library for the motion picture industry. An integer overflow vulnerability exists in the ImageChannel::resize function, which can be triggered when processing a specially crafted OpenEXR image file through the OpenEXRUtil public API. This can lead to a heap out-of-bounds write, potentially allowing a remote attacker to achieve arbitrary code execution, disclose sensitive information, or cause a denial of service.

This is an Important vulnerability in OpenEXR, which could lead to arbitrary code execution, sensitive information disclosure, or denial of service. The flaw, an integer overflow in the ImageChannel::resize function, is triggered when an application processes a specially crafted OpenEXR image file. Successful exploitation requires user interaction, such as opening a malicious file.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

To mitigate this vulnerability, users should avoid processing or opening OpenEXR image files from untrusted or unknown sources. Restricting the input of OpenEXR files to only trusted origins can reduce the risk of exploitation.