=========================================================================Ubuntu Security Notice USN-4061-1
July 16, 2019

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

- Ubuntu 19.04
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in Redis.

Software Description:
- redis: Persistent key-value database with network interface

Details:

It was discovered that Redis incorrectly handled the hyperloglog data structure.
An attacker could use this issue to cause Redis to crash, resulting in a denial
of service, or possibly execute arbitrary code.

Update instructions:

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

Ubuntu 19.04:
  redis                           5:5.0.3-4ubuntu0.1
  redis-tools                     5:5.0.3-4ubuntu0.1

Ubuntu 18.04 LTS:
  redis                           5:4.0.9-1ubuntu0.2
  redis-tools                     5:4.0.9-1ubuntu0.2

Ubuntu 16.04 LTS:
  redis-tools                     2:3.0.6-1ubuntu0.4

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

References:
  https://ubuntu.com/security/notices/USN-4061-1
  CVE-2019-10192, CVE-2019-10193

Package Information:
  https://launchpad.net/ubuntu/+source/redis/5:5.0.3-4ubuntu0.1
  https://launchpad.net/ubuntu/+source/redis/5:4.0.9-1ubuntu0.2
  https://launchpad.net/ubuntu/+source/redis/2:3.0.6-1ubuntu0.4