What’s Vulnerable › Vulnerabilities

CVE-2025-48073: OpenEXR ScanLineProcess::run_fill NULL Pointer Write In "reduceMemory" Mode

• Severity: medium (CVSS 6.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-07-31 · updated 2026-06-17
• Weakness: CWE-476

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.

Affected products

• AcademySoftwareFoundation openexr: 3.3.2

References

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

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