RHSA-2026:19587 - Security Advisory

Topic

An update for openexr is now available for Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

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: Arbitrary code execution and information disclosure via crafted EXR file (CVE-2026-34588)

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.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.0 ppc64le
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.0 x86_64
• Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.0 aarch64
• Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.0 s390x

Fixes

• BZ - 2455408 - CVE-2026-34588 OpenEXR: OpenEXR: Arbitrary code execution and information disclosure via crafted EXR file

CVEs

• CVE-2026-34588

References

• https://access.redhat.com/security/updates/classification/#important