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[USN-8120-1] Redis vulnerability

Posted on 24 March 2026
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-8120-1
March 24, 2026

redis vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 24.04 LTS

Summary:

Redis could be made to crash or run programs if it received specially
crafted network traffic.

Software Description:
- redis: Persistent key-value database with network interface

Details:

Seunghyun Lee discovered that Redis incorrectly handled memory during
hyperloglog operations. An attacker could use this issue to cause a denial
of service, or possibly achieve remote code execution.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 24.04 LTS
redis 5:7.0.15-1ubuntu0.24.04.3
redis-server 5:7.0.15-1ubuntu0.24.04.3

After a standard system update you need to restart redis to make all the
necessary changes.

References:
https://ubuntu.com/security/notices/USN-8120-1
CVE-2025-32023

Package Information:
https://launchpad.net/ubuntu/+source/redis/5:7.0.15-1ubuntu0.24.04.3

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