RHSA-2026:84796 - Security Advisory

Topic

An update for openexr is now available for Red Hat Enterprise Linux 10.

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: Memory corruption and Denial of Service via crafted EXR file processing (CVE-2026-34544)
• OpenEXR: OpenEXR: Out-of-bounds write vulnerability via crafted EXR files (CVE-2026-59184)
• OpenEXR: OpenEXR: Information disclosure and denial of service due to out-of-bounds read (CVE-2026-59189)
• OpenEXR: OpenEXR: Denial of Service or Information Disclosure via crafted EXR image file (CVE-2026-59982)
• OpenEXR: OpenEXR: Information disclosure and denial of service via out-of-bounds read (CVE-2026-59981)

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 for x86_64 10 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.2 x86_64
• Red Hat Enterprise Linux for IBM z Systems 10 s390x
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 10.2 s390x
• Red Hat Enterprise Linux for Power, little endian 10 ppc64le
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.2 ppc64le
• Red Hat Enterprise Linux for ARM 64 10 aarch64
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.2 aarch64
• Red Hat CodeReady Linux Builder for x86_64 10 x86_64
• Red Hat CodeReady Linux Builder for Power, little endian 10 ppc64le
• Red Hat CodeReady Linux Builder for ARM 64 10 aarch64
• Red Hat CodeReady Linux Builder for IBM z Systems 10 s390x
• Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 10.2 x86_64
• Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 10.2 ppc64le
• Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 10.2 s390x
• Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 10.2 aarch64
• Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.2 aarch64
• Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 10.2 s390x
• Red Hat Enterprise Linux for Power, little endian - 4 years of support 10.2 ppc64le
• Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.2 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 10.2 x86_64
• Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 10.2 aarch64
• Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 10.2 ppc64le
• Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 10.2 s390x

Fixes

• BZ - 2454127 - CVE-2026-34544 OpenEXR: OpenEXR: Memory corruption and Denial of Service via crafted EXR file processing
• BZ - 2523654 - CVE-2026-59184 OpenEXR: OpenEXR: Out-of-bounds write vulnerability via crafted EXR files
• BZ - 2523671 - CVE-2026-59189 OpenEXR: OpenEXR: Information disclosure and denial of service due to out-of-bounds read
• BZ - 2523708 - CVE-2026-59982 OpenEXR: OpenEXR: Denial of Service or Information Disclosure via crafted EXR image file
• BZ - 2523752 - CVE-2026-59981 OpenEXR: OpenEXR: Information disclosure and denial of service via out-of-bounds read

CVEs

• CVE-2026-34544
• CVE-2026-59184
• CVE-2026-59189
• CVE-2026-59981
• CVE-2026-59982

References

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