Out-of-bounds read in OpenEXR - CVE-2026-61555

 

Out-of-bounds read in OpenEXR - CVE-2026-61555

Published: August 8, 2026 / Updated: August 8, 2026


Vulnerability identifier: #VU141351
CSH Severity: Medium
CVSS v4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-61555
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to cause a denial of service.

The vulnerability exists due to out-of-bounds read in viewFromChannelName() when parsing a crafted EXR file with an empty multiView header attribute. A remote attacker can trick the victim into opening a crafted file to cause a denial of service.

User interaction is required to open or process a crafted EXR file.


Affected software

OpenEXR

How to mitigate CVE-2026-61555

Install security update from vendor's website.

OpenEXR - addressed in versions 3.2.11, 3.3.13, 3.4.14

External References

Related Security Bulletins