CVE-2026-5107

Publication date 31 March 2026

Last updated 31 March 2026

Ubuntu priority

Cvss 3 Severity Score

Description

A vulnerability has been found in FRRouting FRR up to 10.5.1. This affects the function process_type2_route of the file bgpd/bgp_evpn.c of the component EVPN Type-2 Route Handler. The manipulation leads to improper access controls. The attack can be initiated remotely. The attack is considered to have high complexity. The exploitability is reported as difficult. The identifier of the patch is 7676cad65114aa23adde583d91d9d29e2debd045. To fix this issue, it is recommended to deploy a patch.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
frr	25.10 questing	Needs evaluation
	24.04 LTS noble	Needs evaluation
	22.04 LTS jammy	Needs evaluation
	20.04 LTS focal	Needs evaluation
quagga	25.10 questing	Not in release
	24.04 LTS noble	Not in release
	22.04 LTS jammy	Not in release
	20.04 LTS focal	Needs evaluation
	18.04 LTS bionic	Needs evaluation
	16.04 LTS xenial	Needs evaluation

Notes

sbeattie

the quagga project was renamed to frr

Severity score breakdown

Parameter	Value
Base score	4.2 · Medium
Attack vector	Network
Attack complexity	High
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	Low
Availability impact	Low
Vector	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L