HIGH 7.5 Microsoft

CVE-2025-21605

Redis DoS Vulnerability due to unlimited growth of output buffers abused by unauthenticated client

Microsoft Security Update 2025-Apr: Redis DoS Vulnerability due to unlimited growth of output buffers abused by unauthenticated client

Affected Products

References

Published: 2025-04-08 · Source: Microsoft · Feed updated: 2026-08-10
This high severity vulnerability with a CVSS score of 7.5 was published on 2025-04-08 via Microsoft. Affected: cbl2 redis 6.2.18-3 on CBL Mariner 2.0, cbl2 redis 6.2.20-1 on CBL Mariner 2.0, azl3 valkey 8.0.3-1 on Azure Linux 3.0 and 1 more.
vulnfeed aggregates 7759 vulnerabilities from NVD, CISA KEV, Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.