{"id":"CVE-2025-43971","aliases":["GHSA-7m35-vw2c-696v","GO-2025-3631"],"url":"https://o3.security/vulnerability/CVE-2025-43971","summary":"GoBGP panics due to a zero value for softwareVersionLen","details":"An issue was discovered in GoBGP before 3.35.0. pkg/packet/bgp/bgp.go allows attackers to cause a panic via a zero value for softwareVersionLen.","published":"2025-04-21T00:00:00Z","modified":"2026-08-08T03:48:13.980975239Z","cvss":{"score":8.6,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/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/v3","fixedVersion":"3.35.0"}],"fix":{"url":"https://github.com/osrg/gobgp/commit/08a001e06d90e8bcc190084c66992f46f62c0986","label":"osrg/gobgp@08a001e"},"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-2025-43971.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-43971"},{"type":"FIX","url":"https://github.com/osrg/gobgp/commit/08a001e06d90e8bcc190084c66992f46f62c0986"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-08T03:48:13.980975239Z"}}