{"id":"CVE-2025-43973","aliases":["GHSA-c5jg-wr5v-2wp2","GO-2025-3633"],"url":"https://o3.security/vulnerability/CVE-2025-43973","summary":"GoBGP does not verify that the input length","details":"An issue was discovered in GoBGP before 3.35.0. pkg/packet/rtr/rtr.go does not verify that the input length corresponds to a situation in which all bytes are available for an RTR message.","published":"2025-04-21T00:00:00Z","modified":"2026-08-12T03:51:19.090936965Z","cvss":{"score":6.8,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/osrg/gobgp","fixedVersion":null},{"ecosystem":"Go","name":"github.com/osrg/gobgp/v3","fixedVersion":"3.35.0"}],"fix":{"url":"https://github.com/osrg/gobgp/commit/5693c58a4815cc6327b8d3b6980f0e5aced28abe","label":"osrg/gobgp@5693c58"},"references":[{"type":"WEB","url":"https://github.com/osrg/gobgp/compare/v3.34.0...v3.35.0"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/43xxx/CVE-2025-43973.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-43973"},{"type":"FIX","url":"https://github.com/osrg/gobgp/commit/5693c58a4815cc6327b8d3b6980f0e5aced28abe"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:19.090936965Z"}}