Detections
Analytics
CVE-2026-56684
high
Description
Valkey is a distributed key-value database. Prior to 7.2.14, 8.0.10, 8.1.9, 9.0.5, and 9.1.1, Valkey's tlsProcessPendingData function iterates pending_list while an authenticated client can trigger CLIENT KILL, causing connTLSClose to delete the iterator's cached next node and producing a use-after-free that can crash the server or potentially allow remote code execution when TLS is enabled. This issue is fixed in versions 7.2.14, 8.0.10, 8.1.9, 9.0.5, and 9.1.1.
References
https://github.com/valkey-io/valkey/security/advisories/GHSA-53mc-f3m3-99vh
https://github.com/valkey-io/valkey/releases/tag/9.1.1
https://github.com/valkey-io/valkey/releases/tag/9.0.5
https://github.com/valkey-io/valkey/releases/tag/8.1.9
https://github.com/valkey-io/valkey/releases/tag/8.0.10
https://github.com/valkey-io/valkey/releases/tag/7.2.14
https://github.com/valkey-io/valkey/pull/4234
https://github.com/valkey-io/valkey/commit/7cd5bcb7575d750ec2de618db80da58680a10fe3