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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
27- osv-coords25 versionspkg:apk/chainguard/redis-6.2.10-benchmarkpkg:apk/chainguard/redis-6.2.10-clipkg:bitnami/keydbpkg:bitnami/redispkg:bitnami/valkeypkg:rpm/almalinux/redispkg:rpm/almalinux/redis-develpkg:rpm/almalinux/redis-docpkg:rpm/opensuse/redis7&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/redis&distro=openSUSE%20Leap%2015.4pkg:rpm/opensuse/redis&distro=openSUSE%20Tumbleweedpkg:rpm/suse/redis7&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP5pkg:rpm/suse/redis&distro=SUSE%20Enterprise%20Storage%207pkg:rpm/suse/redis&distro=SUSE%20Enterprise%20Storage%207.1pkg:rpm/suse/redis&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/redis&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-ESPOSpkg:rpm/suse/redis&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/redis&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP4pkg:rpm/suse/redis&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2015%20SP3pkg:rpm/suse/redis&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/redis&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/redis&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/redis&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3pkg:rpm/suse/redis&distro=SUSE%20Manager%20Proxy%204.2pkg:rpm/suse/redis&distro=SUSE%20Manager%20Server%204.2
< 6.2.10-r40+ 24 more
- (no CPE)range: < 6.2.10-r40
- (no CPE)range: < 6.2.10-r40
- (no CPE)range: < 6.0.18
- (no CPE)range: < 6.0.18
- (no CPE)range: < 6.0.18
- (no CPE)range: < 6.2.17-1.module_el8.10.0+3946+3de613d5
- (no CPE)range: < 6.2.17-1.module_el8.10.0+3946+3de613d5
- (no CPE)range: < 6.2.17-1.module_el8.10.0+3946+3de613d5
- (no CPE)range: < 7.0.8-150500.3.3.1
- (no CPE)range: < 6.2.6-150400.3.16.1
- (no CPE)range: < 7.0.8-2.1
- (no CPE)range: < 7.0.8-150500.3.3.1
- (no CPE)range: < 6.0.14-150200.6.20.1
- (no CPE)range: < 6.0.14-150200.6.20.1
- (no CPE)range: < 6.0.14-150200.6.20.1
- (no CPE)range: < 6.0.14-150200.6.20.1
- (no CPE)range: < 6.0.14-150200.6.20.1
- (no CPE)range: < 6.2.6-150400.3.16.1
- (no CPE)range: < 6.0.14-150200.6.20.1
- (no CPE)range: < 6.0.14-150200.6.20.1
- (no CPE)range: < 6.0.14-150200.6.20.1
- (no CPE)range: < 6.0.14-150200.6.20.1
- (no CPE)range: < 6.0.14-150200.6.20.1
- (no CPE)range: < 6.0.14-150200.6.20.1
- (no CPE)range: < 6.0.14-150200.6.20.1
Patches
Vulnerability mechanics
References
2- github.com/redis/redis/commit/dcbfcb916ca1a269b3feef86ee86835294758f84mitrex_refsource_MISC
- github.com/redis/redis/security/advisories/GHSA-jr7j-rfj5-8xqvmitrex_refsource_CONFIRM
News mentions
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