USN-8866-1: Redis vulnerabilities

Publication date

6 October 2026

Overview

Several security issues were fixed in Redis.


Packages

  • redis - Persistent key-value database with network interface

Details

It was discovered that Redis did not properly manage memory when handling
the TLS pending-data list. A remote attacker could possibly use this issue
to execute arbitrary code. (CVE-2026-81934)

It was discovered that Redis incorrectly handled certain inputs when
processing cluster bus packets. A remote attacker could possibly use this
issue to expose sensitive information or cause a denial of service. This
issue only affected Ubuntu 24.04 LTS and Ubuntu 26.04 LTS. (CVE-2026-92925)

It was discovered that Redis did not properly manage memory when handling
the TLS pending-data list. A remote attacker could possibly use this issue
to execute arbitrary code. (CVE-2026-81934)

It was discovered that Redis incorrectly handled certain inputs when
processing cluster bus packets. A remote attacker could possibly use this
issue to expose sensitive information or cause a denial of service. This
issue only affected Ubuntu 24.04 LTS and Ubuntu 26.04 LTS. (CVE-2026-92925)

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

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


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