CVE-2025-48073 - CVE House

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Status published Medium CVE-2025-48073

OpenEXR ScanLineProcess::run_fill NULL Pointer Write In "reduceMemory" Mode

4.6 CVSS

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

More from AcademySoftwareFoundation

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OpenEXR has use after free in PyObject_StealAttrString

OpenEXR has buffer overflow in PyOpenEXR_old's channels() and channel()

OpenEXR Makes Use of Uninitialized Memory

MaterialX's Lack of Import Depth Limit Leads to DoS (Denial-Of-Service) Via Stack Exhaustion

MaterialX is Vulnerable to NULL Pointer Dereference due to Unchecked implGraphOutput

Affected Vendor

AcademySoftwareFoundation

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Affected Software

openexr

Vulnerable Versions:

>= 3.3.2, < 3.3.3

Timeline

Official Publish: July 31st, 2025

Last Modified: July 31st, 2025

Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1499 Endpoint Denial of Service

T1499.004 Application or System Exploitation

T1489 Service Stop

T1203 Exploitation for Client Execution

T1190 Exploit Public-Facing Application