CVE-2024-27913

Publication date 29 February 2024

Last updated 26 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

ospf_te_parse_te in ospfd/ospf_te.c in FRRouting (FRR) through 9.1 allows remote attackers to cause a denial of service (ospfd daemon crash) via a malformed OSPF LSA packet, because of an attempted access to a missing attribute field.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
frr	24.04 LTS noble	Fixed 8.4.4-1.1ubuntu4
	23.10 mantic	Fixed 8.4.4-1.1ubuntu1.3
	22.04 LTS jammy	Fixed 8.1-1ubuntu1.9
	20.04 LTS focal	Not affected
	18.04 LTS bionic	Not in release
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Not in release
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
	14.04 LTS trusty	Ignored end of standard support

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/15431 Upstream: 9df81b4

Severity score breakdown

Parameter	Value
Base score	6.5 · Medium
Attack vector	Adjacent
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H