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NVD Vulnerability Details :

CVE-2026-42285

Awaiting Analysis

Source-security-advisories@github.com

Published At-07 May, 2026 | 12:16

Updated At-07 May, 2026 | 15:06

GoBGP is an open source Border Gateway Protocol (BGP) implementation in the Go Programming Language. In version 4.4.0, an unauthenticated remote BGP peer can trigger a fatal panic in GoBGP by sending a specially crafted BGP UPDATE message. When the server receives a message with inconsistent attribute lengths, it improperly handles the internal state transition to a "withdraw" action, leading to a nil pointer dereference in the AdjRib.Update function. This causes the entire GoBGP process to crash, resulting in a complete loss of service availability. This issue has been patched in version 4.5.0.

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Secondary	3.1	7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Type: Secondary

Version: 3.1

Base score: 7.5

Base severity: HIGH

Vector:

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

Weaknesses

CWE ID	Type	Source
CWE-476	Secondary	security-advisories@github.com

CWE ID: CWE-476

Type: Secondary

Source: security-advisories@github.com

References

Hyperlink	Source	Resource
https://github.com/osrg/gobgp/releases/tag/v4.5.0	security-advisories@github.com	N/A
https://github.com/osrg/gobgp/security/advisories/GHSA-p3w2-64xm-833j	security-advisories@github.com	N/A
https://github.com/osrg/gobgp/security/advisories/GHSA-p3w2-64xm-833j	134c704f-9b21-4f2e-91b3-4a467353bcc0	N/A