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Ubuntu Security Notice USN-4386-1
June 09, 2020

libjpeg-turbo vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.04 LTS
- Ubuntu 19.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 ESM
- Ubuntu 12.04 ESM

Summary:

libjpeg-turbo could be made to expose sensitive information if it received a specially
crafted PPM file.

Software Description:
- libjpeg-turbo: library for handling JPEG files

Details:

It was discovered that libjpeg-turbo incorrectly handled certain PPM files.
An attacker could possibly use this issue to access sensitive information.

Update instructions:

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

Ubuntu 20.04 LTS:
  libjpeg-turbo8                  2.0.3-0ubuntu1.20.04.1

Ubuntu 19.10:
  libjpeg-turbo8                  2.0.3-0ubuntu1.19.10.1

Ubuntu 18.04 LTS:
  libjpeg-turbo8                  1.5.2-0ubuntu5.18.04.4

Ubuntu 16.04 LTS:
  libjpeg-turbo8                  1.4.2-0ubuntu3.4

Ubuntu 14.04 ESM:
  libjpeg-turbo8                  1.3.0-0ubuntu2.1+esm1

Ubuntu 12.04 ESM:
  libjpeg-turbo8                  1.1.90+svn733-0ubuntu4.6

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

References:
  https://usn.ubuntu.com/4386-1
  CVE-2020-13790

Package Information:
  https://launchpad.net/ubuntu/+source/libjpeg-turbo/2.0.3-0ubuntu1.20.04.1
  https://launchpad.net/ubuntu/+source/libjpeg-turbo/2.0.3-0ubuntu1.19.10.1
  https://launchpad.net/ubuntu/+source/libjpeg-turbo/1.5.2-0ubuntu5.18.04.4
  https://launchpad.net/ubuntu/+source/libjpeg-turbo/1.4.2-0ubuntu3.4