CVE-2026-30405

High

Description

An issue in GoBGP gobgpd v.4.2.0 allows a remote attacker to cause a denial of service via the NEXT_HOP path attribute

SeverityHigh
CVSS7.5
Exploit probability—
ProductOsrg Gobgp
PublishedMar 16, 2026
First seenMar 16, 2026

How to fix

Update
  • github.com/osrg/gobgp/v44.4.0 or later

Affected products

ProductAffected versionsFixed in
osrg gobgp4.2.0—
github.com/osrg/gobgp/v4Gov < 4.4.0, No range specified4.4.0
github.com/osrg/gobgpGoNo range specified—
github.com/osrg/gobgp/v3GoNo range specified—

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