Use of uninitialized variable in OpenEXR - CVE-2025-64181

Vulnerability identifier: #VU118758

CSH Severity: Medium

CVSS v4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2025-64181

CWE-ID: CWE-457

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform a denial of service attack.

The vulnerability exists due to usage of an uninitialized variable when handling EXR files. A remote attacker can pass a specially crafted file to the application and perform a denial of service attack. 

OpenEXR
openEuler
Anolis OS
OpenEXR-libs
OpenEXR-devel
OpenEXR-debugsource
OpenEXR-debuginfo
OpenEXR
OpenEXR-doc

Install updates from vendor's website.

OpenEXR - addressed in versions 3.3.6, 3.4.3
OpenEXR-libs - addressed in versions 3.1.5-4, 3.1.11-4
OpenEXR-devel - addressed in versions 3.1.5-4, 3.1.11-4
OpenEXR-debugsource - addressed in versions 3.1.5-4, 3.1.11-4
OpenEXR-debuginfo - addressed in versions 3.1.5-4, 3.1.11-4
OpenEXR - addressed in versions 3.1.5-4, 3.1.11-4
OpenEXR-doc - update to 3.1.6-8
OpenEXR-libs - update to 3.1.6-8
OpenEXR-devel - update to 3.1.6-8
OpenEXR - update to 3.1.6-8

• https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-3h9h-qfvw-98hq

• Multiple vulnerabilities in OpenEXR
• openEuler 24.03 LTS SP2 update for OpenEXR
• openEuler 24.03 LTS SP1 update for OpenEXR
• openEuler 24.03 LTS update for OpenEXR
• openEuler 22.03 LTS SP4 update for OpenEXR
• openEuler 22.03 LTS SP3 update for OpenEXR
• Anolis OS update for OpenEXR