CVE-2020-16589

Publication date 9 December 2020

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

5.5 · Medium

Score breakdown

Description

A head-based buffer overflow exists in Academy Software Foundation OpenEXR 2.3.0 in writeTileData in ImfTiledOutputFile.cpp that can cause a denial of service via a crafted EXR file.

Status

Package Ubuntu Release Status
openexr 20.10 groovy
Not affected
20.04 LTS focal
Fixed 2.3.0-6ubuntu0.3
18.04 LTS bionic
Fixed 2.2.0-11.1ubuntu1.4
16.04 LTS xenial
Fixed 2.2.0-10ubuntu2.4
14.04 LTS trusty Not in release

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
openexr

Severity score breakdown

Parameter Value
Base score 5.5 · Medium
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-4676-1
    • OpenEXR vulnerabilities
    • 5 January 2021

Other references