GoBGP: Integer underflow in the BGPUpdate.DecodeFromBytes function

HOCH 7.5CVE-2026-37462 · GHSA-pw7p-7fqv-hpj8 · GO-2026-5971 · Published 03/06/2026 · updated 22/07/2026

Kurz gesagt

CVE-2026-37462 ist eine Schwachstelle (HOCH (CVSS 7.5)) in github.com/osrg/gobgp/v4.
Wahrscheinlichkeit einer Ausnutzung in den nächsten 30 Tagen (EPSS): 0.28%, höher als bei 20.4% aller Schwachstellen.
Abhilfe: auf 4.4.0 oder neuer aktualisieren.

Package	Affected versions	Patched versions
github.com/osrg/gobgp/v4 Go	`< 4.4.0`	`4.4.0`

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.

NVD 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.

References

nvd.nist.gov/vuln/detail/CVE-2026-37462 · ADVISORY
osrg/gobgp commit 9ce8936 · WEB
osrg/gobgp · PACKAGE
osrg/gobgp · WEB
GitHub Advisory GHSA-pw7p-7fqv-hpj8 · ADVISORY

Weitere Schwachstellen in github.com/osrg/gobgp/v4

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Package

Affected versions

Patched versions

github.com/osrg/gobgp/v4

< 4.4.0

4.4.0

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.

NVD 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.

Weitere Schwachstellen in github.com/osrg/gobgp/v4

Alle anzeigen →