Is CVE-2021-3941 actively exploited?

CVE-2021-3941 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2021-3941?

CVE-2021-3941 has a CVSS score of 6.5 (MEDIUM severity). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H.

How do I patch CVE-2021-3941?

Patch guidance is available from openexr security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2021-3941.

CVE-2021-3941 - remediation guidance & executive summary

Q: Which products are affected by CVE-2021-3941?

9 products: openexr openexr, redhat enterprise linux, redhat enterprise linux, redhat enterprise linux, fedoraproject fedora, and 4 more.

Description

In ImfChromaticities.cpp routine RGBtoXYZ(), there are some division operations such as `float Z = (1 - chroma.white.x - chroma.white.y) * Y / chroma.white.y;` and `chroma.green.y * (X + Z))) / d;` but the divisor is not checked for a 0 value. A specially crafted file could trigger a divide-by-zero condition which could affect the availability of programs linked with OpenEXR.

CVSS Metrics

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Attack Vector: local
Complexity: low
Privileges: low
User Action: none
Scope: changed
Confidentiality: none
Integrity: none
Availability: high
Weaknesses: CWE-369 CWE-369

Metadata

Primary Vendor: OPENEXR
Published: 3/25/2022
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

openexr : openexrredhat : enterprise_linuxredhat : enterprise_linuxredhat : enterprise_linuxfedoraproject : fedorafedoraproject : fedorafedoraproject : fedoradebian : debian_linuxdebian : debian_linux

Remediation Guidance

Executive Summary

Cite this page

CVE-2021-3941. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2021-3941

View on NIST NVD

CVE-2021-3941 vulnerability