{"id":"UBUNTU-CVE-2021-3908","details":"OctoRPKI does not limit the depth of a certificate chain, allowing for a CA to create children in an ad-hoc fashion, thereby making tree traversal never end.","modified":"2025-07-16T07:55:36.534720Z","published":"2021-11-11T22:15:00Z","withdrawn":"2025-07-18T16:46:31Z","upstream":["CVE-2021-3908"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-3908"},{"type":"REPORT","url":"https://github.com/cloudflare/cfrpki/security/advisories/GHSA-g5gj-9ggf-9vmq"},{"type":"REPORT","url":"https://github.com/cloudflare/cfrpki/commit/cb2ab377b9b7aeda966c6478a60f99b12ee8d759"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-3908"}],"affected":[{"package":{"name":"cfrpki","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/cfrpki@1.4.2-1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.2-1"}]}],"versions":["1.2.2-1","1.3.0-1","1.4.0-1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.4.2-1","binary_name":"octorpki"},{"binary_version":"1.4.2-1","binary_name":"octorpki-dbgsym"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-3908.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}