{"cve":"CVE-2026-37462","nvd":{"published":"2026-06-03T16:16:29.120","modified":"2026-07-22T19:10:00.120","status":"Deferred","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-190"],"references":["https://github.com/osrg/gobgp/blob/v4.3.0/pkg/packet/bgp/bgp.go","https://github.com/osrg/gobgp/commit/9ce8936672ebc07df524da77fa4c6ae26d92be6d"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:37:48.043517290+00:00"},"epss":{"cve":"CVE-2026-37462","score":0.00279,"percentile":0.20375,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-pw7p-7fqv-hpj8","url":"https://osv.dev/vulnerability/GHSA-pw7p-7fqv-hpj8","summary":"GoBGP: Integer underflow in the BGPUpdate.DecodeFromBytes function","modified":"2026-07-24T19:11:43.839546193Z","packages":[{"ecosystem":"Go","name":"github.com/osrg/gobgp/v4","purl":"pkg:golang/github.com/osrg/gobgp/v4","ranges":["<4.4.0"],"fixed":["4.4.0"]}]},{"id":"GO-2026-5971","url":"https://osv.dev/vulnerability/GO-2026-5971","summary":"GoBGP: Integer underflow in the BGPUpdate.DecodeFromBytes function in github.com/osrg/gobgp","modified":"2026-07-24T19:00:26.988967155Z","packages":[{"ecosystem":"Go","name":"github.com/osrg/gobgp/v4","purl":"pkg:golang/github.com/osrg/gobgp/v4","ranges":["<4.4.0"],"fixed":["4.4.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}