[USN-6476-1] Memcached vulnerabilities
Ubuntu Security Notice USN-6476-1
November 13, 2023
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 23.10
- Ubuntu 23.04
- Ubuntu 22.04 LTS
Several security issues were fixed in memcached.
- memcached: High-performance in-memory object caching system
It was discovered that Memcached incorrectly handled certain multiget
requests in proxy mode. A remote attacker could use this issue to cause
Memcached to crash, resulting in a denial of service, or possibly execute
arbitrary code. (CVE-2023-46852)
It was discovered that Memcached incorrectly handled certain proxy requests
in proxy mode. A remote attacker could use this issue to cause Memcached to
crash, resulting in a denial of service, or possibly execute arbitrary
The problem can be corrected by updating your system to the following
Ubuntu 22.04 LTS:
In general, a standard system update will make all the necessary changes.
A Memcached security update has been released for Ubuntu Linux 22.04 LTS, 23.04, and 23.10.