CVE-2020-16587

OpenEXR: A heap-based buffer overflow in chunkOffsetReconstruction in ImfMultiPartInputFile.cpp could result in a DOS via a crafted EXR file

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Severity

Low

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · December 10, 2020

Updated · November 22, 2025

Description

A heap-based buffer overflow vulnerability exists in Academy Software Foundation OpenEXR 2.3.0 in chunkOffsetReconstruction in ImfMultiPartInputFile.cpp that can cause a denial of service via a crafted EXR file.

Statement

This flaw is out of support scope for OpenEXR as shipped with Red Hat Enterprise Linux 6 and 7. For more information on Red Hat Enterprise Linux support scope, please see https://access.redhat.com/support/policy/updates/errata/ .

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.5
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CWE-787 · Out-of-bounds Write