CVE-2022-36021

Name	CVE-2022-36021
Description	Redis is an in-memory database that persists on disk. Authenticated users can use string matching commands (like `SCAN` or `KEYS`) with a specially crafted pattern to trigger a denial-of-service attack on Redis, causing it to hang and consume 100% CPU time. The problem is fixed in Redis versions 6.0.18, 6.2.11, 7.0.9.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
References	DLA-3361-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
redis (PTS)	buster	5:5.0.14-1+deb10u2	vulnerable
	buster (security)	5:5.0.14-1+deb10u3	fixed
	bullseye (security), bullseye	5:6.0.16-1+deb11u2	vulnerable
	bookworm	5:7.0.7-1	vulnerable
	sid	5:7.0.10-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
redis	source	buster	5:5.0.14-1+deb10u3		DLA-3361-1
redis	source	(unstable)	5:7.0.9-1

Notes

https://github.com/redis/redis/security/advisories/GHSA-jr7j-rfj5-8xqv
https://github.com/redis/redis/commit/dcbfcb916ca1a269b3feef86ee86835294758f84
https://github.com/redis/redis/commit/0825552565e5fdab2e87950579c4f0bedded3e3c (7.0.9)