RHEL 10 : openexr (RHSA-2026:84796)

high Nessus Plugin ID 367272

Synopsis

The remote Red Hat host is missing one or more security updates for openexr.

Description

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:84796 advisory.

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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL openexr package based on the guidance in RHSA-2026:84796.

Plugin Details

Severity: High

ID: 367272

File Name: redhat-RHSA-2026-84796.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Red Hat Local Security Checks

Published: 10/19/2026

Updated: 10/19/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.88

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2026-34544

CVSS v3

Risk Factor: High

Base Score: 7.3

Temporal Score: 6.6

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 8.4

Threat Score: 7

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:10.2, p-cpe:/a:redhat:enterprise_linux:openexr-devel, p-cpe:/a:redhat:enterprise_linux:openexr-libs, p-cpe:/a:redhat:enterprise_linux:openexr

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/19/2026

Vulnerability Publication Date: 4/1/2026

Reference Information

CVE: CVE-2026-34544, CVE-2026-59184, CVE-2026-59189, CVE-2026-59981, CVE-2026-59982

CWE: 125, 787, 823

RHSA: 2026:84796

Detections

Analytics