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Ubuntu Security Notice USN-6476-1
November 13, 2023
memcached vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 23.10
- Ubuntu 23.04
- Ubuntu 22.04 LTS
Summary:
Several security issues were fixed in memcached.
Software Description:
- memcached: High-performance in-memory object caching system
Details:
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
code. (CVE-2023-46853)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 23.10:
   memcached                       1.6.21-1ubuntu0.23.10.1
Ubuntu 23.04:
   memcached                       1.6.18-1ubuntu0.1
Ubuntu 22.04 LTS:
   memcached                       1.6.14-1ubuntu0.1
In general, a standard system update will make all the necessary changes.
References:
   https://ubuntu.com/security/notices/USN-6476-1
   CVE-2023-46852, CVE-2023-46853
Package Information:
   https://launchpad.net/ubuntu/+source/memcached/1.6.21-1ubuntu0.23.10.1
   https://launchpad.net/ubuntu/+source/memcached/1.6.18-1ubuntu0.1
   https://launchpad.net/ubuntu/+source/memcached/1.6.14-1ubuntu0.1