RHSA-2026:82345 - Security Advisory

Topic

An update for OpenEXR is now available for Red Hat Enterprise Linux 8.

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 a high dynamic-range (HDR) image file format developed by Industrial Light & Magic for use in computer imaging applications. This package contains libraries and sample applications for handling the format.

Security Fix(es):

• OpenEXR: OpenEXR: Out-of-bounds write vulnerability via crafted EXR files (CVE-2026-59184)
• OpenEXR: OpenEXR: Heap out-of-bounds write via crafted tiled EXR file (CVE-2026-59186)
• OpenEXR: OpenEXR: Information disclosure and denial of service due to out-of-bounds read (CVE-2026-59189)
• OpenEXR: OpenEXR: Heap out-of-bounds write in exrmultiview via crafted EXR files (CVE-2026-68515)
• 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 8 x86_64
• Red Hat Enterprise Linux for IBM z Systems 8 s390x
• Red Hat Enterprise Linux for Power, little endian 8 ppc64le
• Red Hat Enterprise Linux for ARM 64 8 aarch64
• Red Hat CodeReady Linux Builder for x86_64 8 x86_64
• Red Hat CodeReady Linux Builder for Power, little endian 8 ppc64le
• Red Hat CodeReady Linux Builder for ARM 64 8 aarch64
• Red Hat CodeReady Linux Builder for IBM z Systems 8 s390x
• Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 8.10 x86_64
• Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 8.10 aarch64
• Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 8.10 ppc64le
• Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 8.10 s390x

Fixes

• BZ - 2523654 - CVE-2026-59184 OpenEXR: OpenEXR: Out-of-bounds write vulnerability via crafted EXR files
• BZ - 2523655 - CVE-2026-59186 OpenEXR: OpenEXR: Heap out-of-bounds write via crafted tiled EXR file
• BZ - 2523671 - CVE-2026-59189 OpenEXR: OpenEXR: Information disclosure and denial of service due to out-of-bounds read
• BZ - 2523747 - CVE-2026-68515 OpenEXR: OpenEXR: Heap out-of-bounds write in exrmultiview via crafted EXR files
• BZ - 2523752 - CVE-2026-59981 OpenEXR: OpenEXR: Information disclosure and denial of service via out-of-bounds read

CVEs

• CVE-2026-59184
• CVE-2026-59186
• CVE-2026-59189
• CVE-2026-59981
• CVE-2026-68515

References

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