VulnerabilityAnalyzed

CVE-2025-48074

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.

MEDIUM 4.6EPSS 0.26%

Does this matter?

Lower severity and a low EPSS score (0.26%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 4.0: 4.6 MEDIUMCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS: 0.26% probability · 18th percentile
CISA KEV: Not listed
Weakness: CWE-770
Affected: openexr/openexr
Source: security-advisories@github.com

References

https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-x22w-82jp-8rvfExploit, Vendor Advisory
https://github.com/ShielderSec/poc/tree/main/CVE-2025-48074Exploit

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.