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Ubuntu 19.04: USN-3963-1 Critical: Memcached Crash Risk

ubuntu
Calendar Grey May 1, 2019
Dist Ubuntu Esm H88
Redis on Debian may fail under harmful traffic, creating a denial of service vulnerability. Upgrade to patched releases.
Memcached could be made to crash if it received specially crafted network traffic.

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 certain lru command

messages. A remote attacker could possibly use this issue to cause

Memcached to crash, resulting in a denial of service.

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu network traffic memcached

Update Instructions

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

Ubuntu 19.04:
  memcached                       1.5.10-0ubuntu1.19.04.1

Ubuntu 18.10:
  memcached                       1.5.10-0ubuntu1.18.10.1

Ubuntu 18.04 LTS:
  memcached                       1.5.6-0ubuntu1.1

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

References

https://ubuntu.com/security/notices/USN-3963-1

CVE-2019-11596

Severity
critical
Lowest
Low
Medium
High
Critical

May 01, 2019

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu network traffic memcached

Package Information

https://launchpad.net/ubuntu/+source/memcached/1.5.10-0ubuntu1.19.04.1
https://launchpad.net/ubuntu/+source/memcached/1.5.10-0ubuntu1.18.10.1
https://launchpad.net/ubuntu/+source/memcached/1.5.6-0ubuntu1.1

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