USN-4061-1: Redis vulnerabilities

16 July 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


Several security issues were fixed in Redis.

Software Description

  • redis - Persistent key-value database with network interface


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

To update your system, please follow these instructions:

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