{"id":"CVE-2019-17185","details":"In FreeRADIUS 3.0.x before 3.0.20, the EAP-pwd module used a global OpenSSL BN_CTX instance to handle all handshakes. This mean multiple threads use the same BN_CTX instance concurrently, resulting in crashes when concurrent EAP-pwd handshakes are initiated. This can be abused by an adversary as a Denial-of-Service (DoS) attack.","modified":"2026-05-18T05:52:04.219315963Z","published":"2020-03-21T01:15:12.243Z","related":["SUSE-SU-2020:1018-1","SUSE-SU-2020:1020-1","SUSE-SU-2020:1023-1","SUSE-SU-2020:2391-1","openSUSE-SU-2020:0553-1","openSUSE-SU-2024:10767-1"],"database_specific":{"unresolved_ranges":[{"cpes":["cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*"],"extracted_events":[{"last_affected":"15.1"}],"source":"CPE_FIELD","vendor_product":"opensuse:leap"}]},"references":[{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00039.html"},{"type":"ADVISORY","url":"https://freeradius.org/security/"},{"type":"ADVISORY","url":"https://github.com/FreeRADIUS/freeradius-server/releases/tag/release_3_0_20"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/freeradius/freeradius-server","events":[{"introduced":"580424ea12feeb5933f1aaac33fd5f9e2fa2ee60"},{"fixed":"d94c953ab9602a238433ba18533111b845fd8e9e"}],"database_specific":{"source":["CPE_FIELD","REFERENCES"],"extracted_events":[{"introduced":"3.0.0"},{"fixed":"3.0.20"}],"cpe":"cpe:2.3:a:freeradius:freeradius:*:*:*:*:*:*:*:*"}}],"versions":["release_3_0_19","release_3_0_18","release_3_0_17","release_3_0_16","release_3_0_15","release_3_0_14","release_3_0_13","release_3_0_12","release_3_0_11","release_3_0_10","release_3_0_9","release_3_0_8","release_3.0.8","release_3_0_7","release_3_0_6","release_3_0_5","release_3_0_4_rc2","release_3_0_4_rc1","release_3_0_4_rc0","release_3_0_3","release_3_0_2","release_3_0_1","release_3_0_0"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-17185.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:N/A:H"}]}