CVE-2026-37459

HIGH

FRRouting stable/10.0-stable/10.6 - Denial of Service via Crafted BGP UPDATE Message

Title source: llm

Description

An integer underflow in FRRouting (FRR) stable/10.0 to stable/10.6 allows attackers to cause a Denial of Service (DoS) via supplying a crafted BGP UPDATE message.

References (1)

Core 1

Core References

https://github.com/FRRouting/frr/commit/693a2e02687cdc9d16501275e05136edea9650d9

View Patch ZIP pw:eip

Scores

CVSS v3 7.5

EPSS 0.0026

EPSS Percentile 17.6%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-400

Status published

Published May 04, 2026

Tracked Since May 04, 2026