USN-8175-1: FRR vulnerability

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.

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

• 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