OpenEXR Critical Vulnerabilites - 20260604003¶
Overview¶
The WASOC has been made aware of two critical vulnerabilities affecting OpenEXR. The vulnerabilities arise from improper handling of untrusted EXR image data and may be triggered when a specially crafted EXR file is processed.
What is vulnerable?¶
| Product(s) Affected | Version(s) | CVE | CVSS | Severity |
|---|---|---|---|---|
| OpenEXR | All versions prior to 3.2.9 3.3.x prior to 3.3.11 3.4.x prior to 3.4.11 |
CVE-2026-42216 CVE-2026-42217 |
9.1 9.8 |
Critical Critical |
What has been observed?¶
The WASOC has not received any reports of exploitation of this vulnerability on Western Australian Government networks at the time of writing.
Recommendation¶
The WASOC recommends administrators apply the solutions as per vendor instructions to all affected devices within expected timeframes (refer Patch Management):