CVE-2020-16587

Name: CVE-2020-16587
Creator: NVD / NIST
Published: 2020-12-09T21:15:14.85+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 1.24%

Last modified Jun 17, 2026

CVE-2020-16587 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 1.24% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

1.24%

65.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Openexr	Openexr	2.3.0
Debian	Debian Linux	9.0
Debian	Debian Linux	10.0

References

https://github.com/AcademySoftwareFoundation/openexr/commit/8b5370c688a7362673c3a5256d93695617a4cd9aPatch, Third Party Advisory
https://github.com/AcademySoftwareFoundation/openexr/issues/491Exploit, Issue Tracking, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/07/msg00001.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/12/msg00022.htmlMailing List, Third Party Advisory
https://github.com/AcademySoftwareFoundation/openexr/commit/8b5370c688a7362673c3a5256d93695617a4cd9aPatch, Third Party Advisory
https://github.com/AcademySoftwareFoundation/openexr/issues/491Exploit, Issue Tracking, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/07/msg00001.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/12/msg00022.htmlMailing List, Third Party Advisory

Timeline

Published: Dec 9, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-16587?

How severe is CVE-2020-16587?

CVE-2020-16587 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 1.24% probability of exploitation in the next 30 days.

How do I fix CVE-2020-16587?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-16587?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST