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USN-3963-1: Memcached vulnerability

1 May 2019

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



  • memcached - high-performance memory object caching system


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.

Update instructions

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

Ubuntu 19.04
Ubuntu 18.10
Ubuntu 18.04

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