CVE-2022-26126

Publication date 3 March 2022

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

Buffer overflow vulnerabilities exist in FRRouting through 8.1.0 due to the use of strdup with a non-zero-terminated binary string in isis_nb_notifications.c.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
frr	25.04 plucky	Fixed 8.1-1ubuntu1
	24.10 oracular	Fixed 8.1-1ubuntu1
	24.04 LTS noble	Fixed 8.1-1ubuntu1
	23.10 mantic	Fixed 8.1-1ubuntu1
	23.04 lunar	Fixed 8.1-1ubuntu1
	22.10 kinetic	Fixed 8.1-1ubuntu1
	22.04 LTS jammy	Fixed 8.1-1ubuntu1
	21.10 impish	Ignored end of life
	20.04 LTS focal	Fixed 7.2.1-1ubuntu0.2+esm2
	16.04 LTS xenial	Ignored end of standard support
	14.04 LTS trusty	Ignored end of standard support

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Patch details

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

Package	Patch details
frr	Upstream: ac31334

Severity score breakdown

Parameter	Value
Base score	7.8 · High
Attack vector	Local
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H