CVE-2023-41360

Publication date 29 August 2023

Last updated 26 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

An issue was discovered in FRRouting FRR through 9.0. bgpd/bgp_packet.c can read the initial byte of the ORF header in an ahead-of-stream situation.

Read the notes from the security team

Why is this CVE low priority?

Only exposes the initial byte.

Learn more about Ubuntu priority

Status

Show unmaintained releases

Package	Ubuntu Release	Status
frr	25.04 plucky	Not affected
	24.10 oracular	Not affected
	24.04 LTS noble	Not affected
	23.10 mantic	Not affected
	23.04 lunar	Fixed 8.4.2-1ubuntu1.4
	22.04 LTS jammy	Fixed 8.1-1ubuntu1.6
	20.04 LTS focal	Fixed 7.2.1-1ubuntu0.2+esm1
	18.04 LTS bionic	Ignored end of standard support
	16.04 LTS xenial	Ignored end of standard support
	14.04 LTS trusty	Ignored end of standard support
quagga	25.04 plucky	Not in release
	24.10 oracular	Not in release
	24.04 LTS noble	Not in release
	23.10 mantic	Not in release
	23.04 lunar	Not in release
	22.04 LTS jammy	Not in release
	20.04 LTS focal	Fixed 1.2.4-4ubuntu0.1
	18.04 LTS bionic	Fixed 1.2.4-1ubuntu0.1~esm1
	16.04 LTS xenial	Fixed 0.99.24.1-2ubuntu1.4+esm1
	14.04 LTS trusty	Ignored end of standard support

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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/14245/commits/9b855a692e68e0d16467e190b466b4ecb6853702

Severity score breakdown

Parameter	Value
Base score	9.1 · Critical
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H