CVE-2026-21863 Malformed Valkey Cluster bus message can lead to Remote DoS

Valkey is a distributed key-value database. Prior to versions 9.0.2, 8.1.6, 8.0.7, and 7.2.12, a malicious actor with access to the Valkey clusterbus port can send an invalid packet that may cause an out bound read, which might result in the system crashing. The Valkey clusterbus packet processin...

CVE-2026-21863

Valkey (distributed key-value DB) contains a bug in the clusterbus packet processing: before reading a clusterbus ping extension, the code may read outside the buffer if an invalid packet is sent to the clusterbus port. This can be exploited by a malicious actor with access to the clusterbus port...

Valkey 缓冲区错误漏洞

Valkey is a flexible distributed key-value database developed by Valkey OpenSource. Versions prior to Valkey 9.0.2, 8.1.6, 8.0.7, and 7.2.12 contain a buffer error vulnerability. This vulnerability arises from the lack of validation of extended data packet positions in the cluster bus data packet...