Is CVE-2025-64181 actively exploited?

CVE-2025-64181 has no public evidence of in-the-wild exploitation as of 2025-12-08.

What is the CVSS score for CVE-2025-64181?

CVE-2025-64181 has a CVSS score of 2 (LOW severity). Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X.

How do I patch CVE-2025-64181?

Patch guidance is available from openexr security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2025-64181.

Which products are affected by CVE-2025-64181?

2 products: openexr openexr, openexr openexr.

CVE-2025-64181 - remediation guidance & executive summary

Description

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. In versions 3.3.0 through 3.3.5 and 3.4.0 through 3.4.2, while fuzzing `openexr_exrcheck_fuzzer`, Valgrind reports a conditional branch depending on uninitialized data inside `generic_unpack`. This indicates a use of uninitialized memory. The issue can result in undefined behavior and/or a potential crash/denial of service. Versions 3.3.6 and 3.4.3 fix the issue.

CVSS Metrics

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector: local
Complexity: low
Privileges: none
User Action: none
Confidentiality: undefined
Integrity: undefined
Availability: undefined
Weaknesses: CWE-457

Metadata

Primary Vendor: OPENEXR
Published: 11/10/2025
Last Modified: 12/8/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

openexr : openexropenexr : openexr

Remediation Guidance

Executive Summary

Cite this page

CVE-2025-64181. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2025-64181

View on NIST NVD

CVE-2025-64181 vulnerability