CVE-2026-41142
High
Description
OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From versions 3.0.0 to before 3.2.9, 3.3.0 to before 3.3.11, and 3.4.0 to before 3.4.11, there is an integer overflow in ImageChannel::resize that leads to heap OOB write via OpenEXRUtil public API. This issue has been patched in versions 3.2.9, 3.3.11, and 3.4.11.
SeverityHigh
CVSS8.8
Exploit probability—
ProductOpenexr
PublishedMay 7, 2026
First seenMay 7, 2026
Weakness typeCWE-190Integer overflow
How to fix
Update
- openexr openexr3.2.9, 3.3.11, 3.4.11 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| openexr openexr | 3.0.0 ≤ v < 3.2.9, 3.3.0 ≤ v < 3.3.11, 3.4.0 ≤ v < 3.4.11 | 3.2.9, 3.3.11, 3.4.11 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.