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Ubuntu Security Notice USN-3601-1
March 19, 2018

memcached vulnerability
==========================================================================

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

– Ubuntu 17.10
– Ubuntu 16.04 LTS
– Ubuntu 14.04 LTS

Summary:

Memcached could be made to crash if it received specially crafted network
traffic.

Software Description:
– memcached: high-performance memory object caching system

Details:

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

Update instructions:

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

Ubuntu 17.10:
memcached 1.4.33-1ubuntu3.3

Ubuntu 16.04 LTS:
memcached 1.4.25-2ubuntu1.4

Ubuntu 14.04 LTS:
memcached 1.4.14-0ubuntu9.3

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

References:
https://usn.ubuntu.com/usn/usn-3601-1
CVE-2018-1000127

Package Information:
https://launchpad.net/ubuntu/+source/memcached/1.4.33-1ubuntu3.3
https://launchpad.net/ubuntu/+source/memcached/1.4.25-2ubuntu1.4
https://launchpad.net/ubuntu/+source/memcached/1.4.14-0ubuntu9.3

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