CVE-2026-37462

HIGHNVD 7.57.3▼Trending — 3 sources updated this week

7.5

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.

CVSS v3: 7.5
EG Score: 7.3(high)
EPSS: 12.4%
KEV: Not listed

Published

June 3, 2026

Last Modified

June 4, 2026

Advisory Details (2)

Auto-updated Jun 7, 2026

Upstream fix merged — awaiting tagged release. Sources: github_commit.

github_commit

commit 9ce8936672eb (osrg/gobgp)

Fix landed in osrg/gobgp commit 9ce8936672eb — awaiting tagged release

https://github.com/osrg/gobgp/commit/9ce8936672ebc07df524da77fa4c6ae26d92be6d

generic

gobgp/pkg/packet/bgp/bgp.go at v4.3.0 · osrg/gobgp · GitHub

https://github.com/osrg/gobgp/blob/v4.3.0/pkg/packet/bgp/bgp.go

Vendor Advisories for CVE-2026-37462(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

GHSA-pw7p-7fqv-hpj8
GitHub Security AdvisoriesHigh
An integer underflow in the BGPUpdate.DecodeFromBytes function (/bgp/bgp.go) of gobgp v4.3.0...

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-190Integer Overflow or Wraparound

Data Freshness Timeline

(refreshed 11× in last 7d / 11× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-07 00:53 UTCEG score recompute
2026-06-07 00:53 UTCGHSA enrichment
2026-06-06 13:47 UTCepss_batch
2026-06-06 13:47 UTCepss_batch
2026-06-06 12:16 UTCEG score recompute▲ 7.30
2026-06-06 12:16 UTCGHSA enrichment
2026-06-05 22:47 UTCepss_batch
2026-06-05 22:47 UTCepss_batch
2026-06-05 06:10 UTCepss_batch
2026-06-05 06:10 UTCepss_batch
2026-06-03 15:50 UTCEG score recompute

Frequently asked(5)

What is CVE-2026-37462?

CVE-2026-37462 is a high vulnerability published on June 3, 2026. 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.

When was CVE-2026-37462 disclosed?

CVE-2026-37462 was first published in the National Vulnerability Database on June 3, 2026, with the most recent update on June 4, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-37462 actively exploited?

CVE-2026-37462 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 12.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-37462?

CVE-2026-37462 has a CVSS v3 base score of 7.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 7.3.

How do I remediate CVE-2026-37462?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-37462, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-37462

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CVE-2026-37462

📅 Published

🔄 Last Modified

📋 Advisory Details (2)

commit 9ce8936672eb (osrg/gobgp)

gobgp/pkg/packet/bgp/bgp.go at v4.3.0 · osrg/gobgp · GitHub

📣 Vendor Advisories for CVE-2026-37462(1)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)