CVE-2021-37519

Publication date 3 February 2023

Last updated 26 August 2025

Ubuntu priority

Cvss 3 Severity Score

Buffer Overflow vulnerability in authfile.c memcached 1.6.9 allows attackers to cause a denial of service via crafted authenticattion file.

Show unmaintained releases

Package	Ubuntu Release	Status
memcached	25.10 questing	Not affected
	25.04 plucky	Not affected
	24.10 oracular	Not affected
	24.04 LTS noble	Not affected
	23.10 mantic	Not affected
	23.04 lunar	Not affected
	22.10 kinetic	Not affected
	22.04 LTS jammy	Not affected
	20.04 LTS focal	Vulnerable
	18.04 LTS bionic	Not affected
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Ignored end of standard support

This is a minor issue, an attacker would have to be able to create an auth file, and even so, it will result only in a denial of service.

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
memcached	Upstream: ddee3e2