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

Overview

Severity
High (CVSS 7.5)
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploit Status
Not Exploited
Patch Tuesday
2026-Feb
Released
2026-02-26
Last Updated
2026-02-26
EPSS Score
0.02% (percentile: 5.2%)

Affected Products (1)

Open Source Software

  • azl3 valkey 8.0.6-1 on Azure Linux 3.0

Revision History

  • 2026-02-26: Information published.
  • 2026-02-26: Information published.