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Redis allows out of bounds writes in hyperloglog commands leading to RCE — CVE-2025-32023

Date
Source
MSRC
Vendor
Microsoft
Threat
high
CVSS
7

Summary

Advisory CVE-2025-32023. Redis allows out of bounds writes in hyperloglog commands leading to RCE Vendor: Microsoft. Source: MSRC. Threat: high. CVSS 7. See the official advisory for details.

What to do

General, cautious steps (verify details in the official source):

  • Prioritize patching or mitigation immediately (treat as actively risky).
  • Identify affected product versions in your inventory and verify whether you are impacted.
  • Apply vendor patches/updates or recommended mitigations as soon as available.
  • Read the official advisory for exact affected versions and remediation steps.

Official advisory

Read the official source

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