CVE-2025-48074: openexr DoS — Exploit & Fix

Description

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. In version 3.3.2, applications trust unvalidated dataWindow size values from file headers, which can lead to excessive memory allocation and performance degradation when processing malicious files. This is fixed in version 3.3.3.

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CVSS v3.1 Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-770 CWE-770

Affected Products

Vendor	Product	Versions
openexr	openexr	All

References

Advisories & Patches

https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-x22w-82jp-8rvf

Exploits

https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-x22w-82jp-8rvf https://github.com/ShielderSec/poc/tree/main/CVE-2025-48074

Frequently Asked Questions

What is CVE-2025-48074? +

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. In version 3.3.2, applications trust unvalidated dataWindow size values from file headers, which can lead to excessive memory allocation and performance degradation when processing malicious files. This is fixed in version 3.3.3. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2025-48074? +

CVE-2025-48074 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-48074? +

CVE-2025-48074 affects products from openexr, specifically: openexr. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-48074? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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