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
- 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
- azl3 valkey 8.0.2-1 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21605
- https://nvd.nist.gov/vuln/detail/CVE-2025-21605
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.
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