CVE-2025-48073: openexr Null Dereference

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, when reading a deep scanline image with a large sample count in reduceMemory mode, it is possible to crash a target application with a NULL pointer dereference in a write operation. This is fixed in version 3.3.3.

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CVSS v3.1 Score

6.2

MEDIUM

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

Weakness Type (CWE)

CWE-476 CWE-476

Affected Products

Vendor	Product	Versions
openexr	openexr	All

References

Advisories & Patches

https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-qhpm-86v7-phmm

Exploits

https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-qhpm-86v7-phmm https://github.com/ShielderSec/poc/tree/main/CVE-2025-48073

Frequently Asked Questions

What is CVE-2025-48073? +

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, when reading a deep scanline image with a large sample count in reduceMemory mode, it is possible to crash a target application with a NULL pointer dereference in a write operation. This is fixed in version 3.3.3. It has a CVSS v3.1 base score of 6.2 (MEDIUM).

How severe is CVE-2025-48073? +

CVE-2025-48073 has a CVSS v3.1 score of 6.2 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-2025-48073? +

CVE-2025-48073 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-2025-48073? +

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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