{"cve":"CVE-2025-43972","nvd":{"published":"2025-04-21T01:15:45.563","modified":"2026-06-17T09:24:51.033","status":"Analyzed","description":"An issue was discovered in GoBGP before 3.35.0. An attacker can cause a crash in the pkg/packet/bgp/bgp.go flowspec parser by sending fewer than 20 bytes in a certain context.","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-1284"],"references":["https://github.com/osrg/gobgp/commit/ca7383f450f7b296c5389feceef2467de5ab6e5a","https://github.com/osrg/gobgp/compare/v3.34.0...v3.35.0"],"products":["osrg:gobgp"],"source":"nvd","synced_at":"2026-10-19T22:01:11.054312287+00:00"},"epss":{"cve":"CVE-2025-43972","score":0.00559,"percentile":0.46597,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-mfvv-mgf6-q25r","url":"https://osv.dev/vulnerability/GHSA-mfvv-mgf6-q25r","summary":"GoBGP crashes in the flowspec parser","modified":"2026-09-10T03:50:57.344421196Z","packages":[{"ecosystem":"Go","name":"github.com/osrg/gobgp","purl":"pkg:golang/github.com/osrg/gobgp","ranges":["all versions"],"fixed":[]},{"ecosystem":"Go","name":"github.com/osrg/gobgp/v3","purl":"pkg:golang/github.com/osrg/gobgp/v3","ranges":["<3.35.0"],"fixed":["3.35.0"]}]},{"id":"GO-2025-3632","url":"https://osv.dev/vulnerability/GO-2025-3632","summary":"GoBGP crashes in the flowspec parser in github.com/osrg/gobgp","modified":"2026-02-04T04:23:19.127531Z","packages":[{"ecosystem":"Go","name":"github.com/osrg/gobgp","purl":"pkg:golang/github.com/osrg/gobgp","ranges":["all versions"],"fixed":[]},{"ecosystem":"Go","name":"github.com/osrg/gobgp/v3","purl":"pkg:golang/github.com/osrg/gobgp/v3","ranges":["<3.35.0"],"fixed":["3.35.0"]}]}],"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."]}