{"id":"CVE-2026-37461","aliases":["GHSA-wmvj-f67g-qg4g","GO-2026-5713"],"url":"https://o3.security/vulnerability/CVE-2026-37461","summary":"GoBGP has an out-of-bounds read in the ParseIP6Extended function","details":"An out-of-bounds read in the ParseIP6Extended 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.","published":"2026-05-04T00:00:00Z","modified":"2026-08-07T11:51:00.356331454Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":{"score":0.00335,"percentile":0.26017,"asOf":"2026-08-09"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/osrg/gobgp/v4","fixedVersion":"4.4.0"}],"fix":{"url":"https://github.com/osrg/gobgp/commit/362cce3e325f56e7a4f792ccb9689b3bdda9e682","label":"osrg/gobgp@362cce3"},"references":[{"type":"WEB","url":"https://github.com/osrg/gobgp/blob/v4.3.0/pkg/packet/bgp/bgp.go"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/37xxx/CVE-2026-37461.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-37461"},{"type":"FIX","url":"https://github.com/osrg/gobgp/commit/362cce3e325f56e7a4f792ccb9689b3bdda9e682"},{"type":"FIX","url":"https://github.com/osrg/gobgp/commit/9ce8936672ebc07df524da77fa4c6ae26d92be6d"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T11:51:00.356331454Z"}}