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Rocky OpenEXR may write beyond memory with malicious files

published 1 month ago

Summary

The OpenEXR image library used on Rocky Linux can write past the end of its memory when it processes a specially crafted EXR picture file. This could let an attacker cause the program to crash or potentially take control of the system. Update the OpenEXR package to the latest version provided by Rocky Linux as soon as possible.

What to do

Update rocky openexr to version 0:3.1.1-3.el9_8.4.

Affected software

Ecosystem	Vendor	Product	Affected versions
Rocky Linux:9	rocky	openexr	< 0:3.1.1-3.el9_8.4 Fix: upgrade to 0:3.1.1-3.el9_8.4

Original advisory text

Important: openexr security update

OpenEXR is an open-source high-dynamic-range floating-point image file format for high-quality image processing and storage. This document presents a brief overview of OpenEXR and explains concepts that are specific to this format. This package containes the binaries for OpenEXR.

Security Fix(es):

* OpenEXR: OpenEXR: Heap out-of-bounds write in exrmultiview via crafted EXR files (CVE-2026-68515)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

References

https://errata.rockylinux.org/RLSA-2026:69608 Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2523747 Third Party Advisory
https://access.redhat.com/errata/RHSA-2026:69608 Vendor Advisory

Fix within

Internet-facing 60 days

Internal At next upgrade

Not known to be exploited
Needs hands-on effort to exploit (estimated)
Gives an attacker partial control (estimated)

Severity

7.1 High

Timeline

Published23 Sep 2026

Updated30 Sep 2026

First seen30 Sep 2026

Sources

RLSA-2026:69608 · OSV

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