A GStreamer Base Plugins security update has been released for Ubuntu Linux 16.04 ESM, 18.04 LTS, 20.04 LTS, and 20.10.

USN-4959-1: GStreamer Base Plugins vulnerability

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Ubuntu Security Notice USN-4959-1
May 18, 2021

gst-plugins-base1.0 vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.10
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 ESM

Summary:

GStreamer Base Plugins could be made to expose sensitive information if it received
a specially crafted input.

Software Description:
- gst-plugins-base1.0: GStreamer plugins

Details:

It was discovered that GStreamer Base Plugins incorrectly handled certain inputs.
An attacker could possibly use this issue to expose sensitive information.

Update instructions:

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

Ubuntu 20.10:
gstreamer1.0-plugins-base 1.18.0-2ubuntu0.1

Ubuntu 20.04 LTS:
gstreamer1.0-plugins-base 1.16.2-4ubuntu0.1

Ubuntu 18.04 LTS:
gstreamer1.0-plugins-base 1.14.5-0ubuntu1~18.04.3

Ubuntu 16.04 ESM:
gstreamer1.0-plugins-base 1.8.3-1ubuntu0.3+esm1

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

References:
  https://ubuntu.com/security/notices/USN-4959-1
CVE-2021-3522

Package Information:
  https://launchpad.net/ubuntu/+source/gst-plugins-base1.0/1.18.0-2ubuntu0.1
  https://launchpad.net/ubuntu/+source/gst-plugins-base1.0/1.16.2-4ubuntu0.1
  https://launchpad.net/ubuntu/+source/gst-plugins-base1.0/1.14.5-0ubuntu1~18.04.3