{"id":"CVE-2018-18206","aliases":["GHSA-vc3x-gx6c-g99f","GO-2021-0079"],"url":"https://o3.security/vulnerability/CVE-2018-18206","summary":"Denial of Service in Bytom","details":"In the client in Bytom before 1.0.6, checkTopicRegister in p2p/discover/net.go does not prevent negative idx values, leading to a crash.","published":"2018-10-10T09:29:00.270Z","modified":"2026-07-08T05:52:24.002888437Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/bytom/bytom","fixedVersion":"1.0.6"}],"fix":{"url":"https://github.com/Bytom/bytom/commit/1ac3c8ac4f2b1e1df9675228290bda6b9586ba42","label":"Bytom/bytom@1ac3c8a"},"references":[{"type":"FIX","url":"https://github.com/Bytom/bytom/commit/1ac3c8ac4f2b1e1df9675228290bda6b9586ba42"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T05:52:24.002888437Z"}}