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Ubuntu 24.04 LTS Redis Major Service Disruption Vulnerability USN-8121-2

ubuntu
Calendar Grey March 24, 2026
Dist Ubuntu Esm H88
Redis in Ubuntu 24.04 LTS faces critical flaw leading to potential crashes and remote code execution. Update recommended.
Redis could be made to crash or run programs if it received specially crafted network traffic.

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.

Topics%20covered

Topics Covered

security advisory denial of service critical Ubuntu network issue redis

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

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-8120-1

Topics%20covered

Topics Covered

security advisory denial of service critical Ubuntu network issue redis

Package Information

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

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