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Ubuntu Security Notice USN-6382-1

Ubuntu Security Notice USN-6382-1
Posted Sep 20, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6382-1 - It was discovered that Memcached incorrectly handled certain multi-packet uploads in UDP. An attacker could possibly use this issue to cause a denial of service.

tags | advisory, denial of service, udp
systems | linux, ubuntu
advisories | CVE-2022-48571
SHA-256 | 13aa929001799968f902eb7351f815bcb9c74e028d3c818808cc6e1630287d0a

Ubuntu Security Notice USN-6382-1

Change Mirror Download
=========================================================================
Ubuntu Security Notice USN-6382-1
September 19, 2023

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

- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS (Available with Ubuntu Pro)
- Ubuntu 16.04 LTS (Available with Ubuntu Pro)

Summary:

Memcached could be made to denial of service.

Software Description:
- memcached: High-performance in-memory object caching system

Details:

It was discovered that Memcached incorrectly handled certain multi-packet
uploads in UDP. An attacker could possibly use this issue to cause a
denial of service.

Update instructions:

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

Ubuntu 20.04 LTS:
memcached 1.5.22-2ubuntu0.3

Ubuntu 18.04 LTS (Available with Ubuntu Pro):
memcached 1.5.6-0ubuntu1.2+esm1

Ubuntu 16.04 LTS (Available with Ubuntu Pro):
memcached 1.4.25-2ubuntu1.5+esm1

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

References:
https://ubuntu.com/security/notices/USN-6382-1
CVE-2022-48571

Package Information:
https://launchpad.net/ubuntu/+source/memcached/1.5.22-2ubuntu0.3
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