{"id":"CVE-2025-43971","aliases":["GHSA-7m35-vw2c-696v","GO-2025-3631"],"title":"GoBGP panics due to a zero value for softwareVersionLen","summary":"GoBGP panics due to a zero value for softwareVersionLen","severity":"high","cvss":8.6,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","vendor":"osrg","product":"github.com/osrg/gobgp/v3","ecosystem":"go","affected":["github.com/osrg/gobgp/v3 >= 3.11.0, < 3.35.0"],"patched":["github.com/osrg/gobgp/v3 3.35.0"],"published":"2025-04-21","updated":"2026-09-10","sourceUpdated":"2026-09-10T03:50:57.149924378Z","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/GHSA-7m35-vw2c-696v","references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-43971"},{"url":"https://github.com/osrg/gobgp/commit/08a001e06d90e8bcc190084c66992f46f62c0986"},{"url":"https://github.com/osrg/gobgp"},{"url":"https://github.com/osrg/gobgp/compare/v3.34.0...v3.35.0"},{"url":"https://security-tracker.debian.org/tracker/CVE-2025-43971"}],"tags":["osv","go"],"epss":0.00545,"epssPercentile":0.44599,"ingestedAt":"2026-09-12T03:13:01.764Z","slug":"CVE-2025-43971","body":"## Overview\n\nAn issue was discovered in GoBGP before 3.35.0 (introduced in v3.11.0). pkg/packet/bgp/bgp.go allows attackers to cause a panic via a zero value for softwareVersionLen.\n\n## Affected packages\n\n- `github.com/osrg/gobgp/v3 >= 3.11.0, < 3.35.0`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `github.com/osrg/gobgp/v3 3.35.0`","depth":"twilight","depthScore":47,"depthScoreParts":{"impact":47.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}