CVE-2026-37462 | An integer underflow in the BGPUpdate.DecodeFromBytes functi… | CVSS 7.5 HIGH

Description

An integer underflow in the BGPUpdate.DecodeFromBytes function (/bgp/bgp.go) of gobgp v4.3.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted BGP UPDATE message.

Metadata

CVE ID: CVE-2026-37462
State: PUBLISHED
Assigner: mitre
Reserved: 2026-04-06 00:00 UTC
Published: 2026-06-03 00:00 UTC
Last updated: 2026-06-04 13:22 UTC
Primary CWE: CWE-190
CWE-190 Integer Overflow or Wraparound
Vendor / Product: n/a / n/a
Sources: cve.org · NVD

Severity & Metrics

7.5 HIGH CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: none
Automatable: yes
Tech. Impact: partial

Affected products (1)

Vendor	Product	Platform	Versions
n/a	n/a	—	n/a

Weakness (CWE)

CWE	Source	Description
—	cna	n/a
CWE-190	adp	CWE-190 Integer Overflow or Wraparound

CVSS scores (1)

Score	Severity	Version	Source	Vector
7.5	HIGH	3.1	adp	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References (2)