{"schema_version":"1.7.5","id":"GHSA-pw7p-7fqv-hpj8","published":"2026-06-03T18:33:09Z","modified":"2026-07-24T19:11:43.839546193Z","aliases":["CVE-2026-37462","GO-2026-5971"],"summary":"GoBGP: Integer underflow in the BGPUpdate.DecodeFromBytes function","details":"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.","affected":[{"package":{"name":"github.com/osrg/gobgp/v4","ecosystem":"Go","purl":"pkg:golang/github.com/osrg/gobgp/v4"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"4.4.0"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-pw7p-7fqv-hpj8/GHSA-pw7p-7fqv-hpj8.json"}}],"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-37462"},{"type":"WEB","url":"https://github.com/osrg/gobgp/commit/9ce8936672ebc07df524da77fa4c6ae26d92be6d"},{"type":"PACKAGE","url":"https://github.com/osrg/gobgp"},{"type":"WEB","url":"https://github.com/osrg/gobgp/blob/v4.3.0/pkg/packet/bgp/bgp.go"}],"database_specific":{"cwe_ids":["CWE-190"],"github_reviewed":true,"github_reviewed_at":"2026-07-13T17:27:40Z","nvd_published_at":"2026-06-03T16:16:29Z","severity":"HIGH"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"}]}