USN-8175-1: FRR vulnerability

Publication date

15 April 2026

Overview

FRR could allow unintended access to network services.


Packages

  • frr - FRRouting suite of internet protocols

Details

It was discovered that FRR did not correctly handle certain network
requests. A remote attacker could possibly use this issue to gain
unauthorized access to resources.

It was discovered that FRR did not correctly handle certain network
requests. A remote attacker could possibly use this issue to gain
unauthorized access to resources.

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:

Ubuntu Release Package Version
25.10 questing frr –  10.4.1-3ubuntu1.2
24.04 LTS noble frr –  8.4.4-1.1ubuntu6.6
22.04 LTS jammy frr –  8.1-1ubuntu1.15
20.04 LTS focal frr –  7.2.1-1ubuntu0.2+esm4  

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.


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