USN-3963-1: Memcached vulnerability

Published May 1, 2019
·
Updated

It was discovered that Memcached incorrectly handled certain lru command messages. A remote attacker could possibly use this issue to cause Memcached to crash, resulting in a denial of service.

Affected Software

6 affected componentsFixes available
All of the following
ubuntu/memcached<1.5.10-0ubuntu1.19.04.1
1.5.10-0ubuntu1.19.04.1
Ubuntu Ubuntu=19.04
All of the following
ubuntu/memcached<1.5.10-0ubuntu1.18.10.1
1.5.10-0ubuntu1.18.10.1
Ubuntu Ubuntu=18.10
All of the following
ubuntu/memcached<1.5.6-0ubuntu1.1
1.5.6-0ubuntu1.1
Ubuntu Ubuntu=18.04

Event History

May 1, 2019
Advisory Published
via Ubuntu·12:00 AM

Child vulnerabilities

Contains the following vulnerabilities.

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Frequently Asked Questions

1

What is the vulnerability ID of this Memcached vulnerability?

The vulnerability ID of this Memcached vulnerability is CVE-2019-11596.

2

How does this Memcached vulnerability impact the system?

This Memcached vulnerability can cause Memcached to crash, resulting in a denial of service.

3

Which versions of Memcached are affected by this vulnerability?

The affected versions of Memcached are 1.5.10-0ubuntu1.19.04.1, 1.5.10-0ubuntu1.18.10.1, and 1.5.6-0ubuntu1.1.

4

How can I fix this Memcached vulnerability?

To fix this Memcached vulnerability, update Memcached to version 1.5.10-0ubuntu1.19.04.1, 1.5.10-0ubuntu1.18.10.1, or 1.5.6-0ubuntu1.1 depending on your Ubuntu version.

5

Where can I find more information about this Memcached vulnerability?

You can find more information about this Memcached vulnerability at the following URLs: [CVE-2019-11596](https://ubuntu.com/security/CVE-2019-11596), [1.5.10-0ubuntu1.19.04.1](https://launchpad.net/ubuntu/+source/memcached/1.5.10-0ubuntu1.19.04.1), [1.5.10-0ubuntu1.18.10.1](https://launchpad.net/ubuntu/+source/memcached/1.5.10-0ubuntu1.18.10.1).

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