{"id":"CVE-2021-41531","details":"NLnet Labs Routinator prior to 0.10.0 produces invalid RTR payload if an RPKI CA uses too large values in the max-length parameter in a ROA. This will lead to RTR clients such as routers to reject the RPKI data set, effectively disabling Route Origin Validation.","modified":"2026-07-09T05:45:13.886076Z","published":"2021-09-21T14:15:07.663Z","references":[{"type":"ADVISORY","url":"https://www.nlnetlabs.nl/downloads/routinator/CVE-2021-41531.txt"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/nlnetlabs/routinator","events":[{"introduced":"0"},{"fixed":"2e17fe767bda4d6972ea116c58da542933467a2f"}],"database_specific":{"cpe":"cpe:2.3:a:nlnetlabs:routinator:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"0.10.0"}],"source":"CPE_RANGE"}}],"versions":["v0.10.0-rc3","v0.10.0-rc2","v0.10.0-rc1","v0.9.0","0.9.0","v0.9.0-rc3","v0.9.0-rc2","v0.9.0-rc1","v0.8.2","v0.8.2-rc1","v0.8.1","v0.8.1-rc1","v0.8.0","v0.8.0-rc2","v0.8.0-rc1","v0.7.1","v0.7.1-rc2","v0.7.1-rc1","v0.7.0","v0.7.0-rc3","v0.7.0-rc2","v0.7.0-rc1","v0.6.4","v0.6.3","v0.6.2","v0.6.1","v0.6.0","v0.5.0","v0.4.0","v0.3.3","v0.3.2","v0.3.1","v0.3.0","v0.2.1","v0.2.0","v0.1.2","v0.1.1","v0.1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-41531.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"}]}