[USN-5144-1] OpenEXR vulnerability

[Leonidas S. Barbosa]

==========================================================================
Ubuntu Security Notice USN-5144-1
November 11, 2021

openexr vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 18.04 LTS
- Ubuntu 16.04 ESM

Summary:

OpenEXR could be made to crash or execute arbitrary code if it received a specially
crafted EXR file.

Software Description:
- openexr: tools for the OpenEXR image format

Details:

It was discovered that OpenEXR incorrectly handled certain EXR
image files. An attacker could possibly use this issue to cause a crash
or execute arbitrary code.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 18.04 LTS:
  libopenexr22                    2.2.0-11.1ubuntu1.8
  openexr                         2.2.0-11.1ubuntu1.8

Ubuntu 16.04 ESM:
  libopenexr22                    2.2.0-10ubuntu2.6+esm2
  openexr                         2.2.0-10ubuntu2.6+esm2

In general, a standard system update will make all the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-5144-1
  CVE-2021-3933

Package Information:
  https://launchpad.net/ubuntu/+source/openexr/2.2.0-11.1ubuntu1.8
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