Out-of-bounds read in OpenEXR - CVE-2025-48072

 

Out-of-bounds read in OpenEXR - CVE-2025-48072

Published: April 8, 2026


Vulnerability identifier: #VU125322
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-48072
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: OpenEXR
Affected software:
OpenEXR

Detailed vulnerability description

The vulnerability allows a remote attacker to cause a denial of service and disclose sensitive information.

The vulnerability exists due to out-of-bounds read in LossyDctDecoder_execute when decompressing DWAA-packed scan-line EXR files with a maliciously forged chunk. A remote attacker can supply a specially crafted EXR file to cause a denial of service and disclose sensitive information.

The issue occurs when SSE2 is enabled and can be triggered with non-block aligned chunks whose width or height is not a multiple of 8.


How to mitigate CVE-2025-48072

Install security update from vendor's website.

Sources