CVE-2024-34088

Publication date 30 April 2024

Last updated 26 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

In FRRouting (FRR) through 9.1, it is possible for the get_edge() function in ospf_te.c in the OSPF daemon to return a NULL pointer. In cases where calling functions do not handle the returned NULL value, the OSPF daemon crashes, leading to denial of service.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
frr	24.04 LTS noble	Fixed 8.4.4-1.1ubuntu6.1
	23.10 mantic	Fixed 8.4.4-1.1ubuntu1.4
	22.04 LTS jammy	Fixed 8.1-1ubuntu1.10
	20.04 LTS focal	Not affected
quagga	24.04 LTS noble	Not in release
	23.10 mantic	Not in release
	22.04 LTS jammy	Not in release
	20.04 LTS focal	Not affected
	18.04 LTS bionic	Not affected
	16.04 LTS xenial	Not affected

Notes

sbeattie

the quagga project was renamed to frr

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
frr	Upstream: https://github.com/FRRouting/frr/pull/15674/ Upstream: cef3844

Severity score breakdown

Parameter	Value
Base score	7.5 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H