Security Advisory

CVE-2026-23479

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-05-05 16:36:05

Last updated 2026-07-16 12:04:42

Assigner GitHub_M

CVSS score 7.7

State PUBLISHED

Description

Redis is an in-memory data structure store. In redis-server from 7.2.0 until 8.6.3, the unblock client flow does not handle an error return from `processCommandAndResetClient` when re-executing a blocked command. If a blocked client is evicted during this flow, an authenticated attacker can trigger a use-after-free that may lead to remote code execution. This has been patched in version 8.6.3.

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