{"id":"CVE-2021-3910","aliases":["GHSA-5mxh-2qfv-4g7j","GO-2022-0251"],"url":"https://o3.security/vulnerability/CVE-2021-3910","summary":"NUL character in ROA causes OctoRPKI to crash","details":"OctoRPKI crashes when encountering a repository that returns an invalid ROA (just an encoded `NUL` (`\\0`) character).\n\n## Patches\n\n## For more information\nIf you have any questions or comments about this advisory email us at security@cloudflare.com","published":"2021-11-11T22:15:07.973Z","modified":"2026-07-08T06:29:20.294232878Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":{"score":0.01255,"percentile":0.66737,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/cloudflare/cfrpki","fixedVersion":"1.4.0"}],"fix":{"url":"https://github.com/cloudflare/cfrpki/commit/76f0f7a98da001fa04e5bc0407c6702f91096bfa","label":"cloudflare/cfrpki@76f0f7a"},"references":[{"type":"ADVISORY","url":"https://github.com/cloudflare/cfrpki/security/advisories/GHSA-5mxh-2qfv-4g7j"},{"type":"ADVISORY","url":"https://www.debian.org/security/2022/dsa-5041"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3910"},{"type":"WEB","url":"https://github.com/cloudflare/cfrpki/commit/76f0f7a98da001fa04e5bc0407c6702f91096bfa"},{"type":"PACKAGE","url":"https://github.com/cloudflare/cfrpki"},{"type":"WEB","url":"https://github.com/cloudflare/cfrpki/releases/tag/v1.4.0"},{"type":"WEB","url":"https://pkg.go.dev/vuln/GO-2022-0251"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T06:29:20.294232878Z"}}