Unrated severityNVD Advisory· Published Mar 1, 2023· Updated Mar 7, 2025
Redis string pattern matching can be abused to achieve Denial of Service
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.
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
2- github.com/redis/redis/commit/dcbfcb916ca1a269b3feef86ee86835294758f84mitrex_refsource_MISC
- github.com/redis/redis/security/advisories/GHSA-jr7j-rfj5-8xqvmitrex_refsource_CONFIRM
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