CVE-2026-5107

Name	CVE-2026-5107
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.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs	1132329

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
frr (PTS)	bullseye	7.5.1-1.1+deb11u2	vulnerable
	bullseye (security)	7.5.1-1.1+deb11u4	vulnerable
	bookworm, bookworm (security)	8.4.4-1.1~deb12u1	vulnerable
	trixie	10.3-3	vulnerable
	forky, sid	10.6.0-2	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
frr	source	(unstable)	10.6.0-2			1132329

Notes

https://github.com/FRRouting/frr/pull/21098
Fixed by: https://github.com/FRRouting/frr/commit/7676cad65114aa23adde583d91d9d29e2debd045 (master)
Fixed by: https://github.com/FRRouting/frr/commit/571312f72f397543e6c4d54d346a7c51eb21658c (frr-10.6.0)
Fixed by: https://github.com/FRRouting/frr/commit/52c72c5ad8ccb491a9bab096002072667089d2d3 (stable/10.5)
Fixed by: https://github.com/FRRouting/frr/commit/59d4c4a0b8e265bc6bdaa775ce8c3deb4a77a8e2 (stable/10.3)