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TI-2026-28051 Aliases CVE-2026-37462GHSA-pw7p-7fqv-hpj8

An integer underflow in the BGPUpdate.DecodeFromBytes function (/bgp/bgp.go) of gobgp…

Priority LOW 39CWE-190Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-190 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00279 20th percentileScored 2026-11-07
Fix Fixed github.com/osrg/gobgp/v4 (Go): 4.4.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—github.com/osrg/gobgp/v4 (Go)before 4.4.04.4.0Patch availableGHSA-pw7p-7fqv-hpj8
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • github.com/osrg/gobgp/v4 (Go) Vendor— Affected before 4.4.0 Fixed in 4.4.0 Patch available GHSA-pw7p-7fqv-hpj8

Remediation

  • Fix · GHSA-pw7p-7fqv-hpj8 github.com/osrg/gobgp/v4 (Go) Fixed in 4.4.0 Advisory →

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat OpenShift Container Platform 4

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-37462
  2. 2026-10-03 Alias added: GHSA-pw7p-7fqv-hpj8

References

Advisory 1

Other 3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences