#VU125332 Type conversion in OpenEXR - CVE-2026-34379

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Main Vulnerability Database Vulnerabilities #VU125332

#VU125332 Type conversion in OpenEXR - CVE-2026-34379

Published: April 8, 2026


Vulnerability identifier: #VU125332
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-34379
CWE-ID: CWE-704
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
OpenEXR
Software vendor:
OpenEXR

Description

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

The vulnerability exists due to incorrect type conversion or cast in LossyDctDecoder_execute() when decoding a DWA- or DWAB-compressed EXR file containing a FLOAT-type channel. A remote attacker can supply a specially crafted EXR file to cause a denial of service.

User interaction is required to open or process the crafted file.


Remediation

Install security update from vendor's website.

External links