{"id":"CVE-2020-18734","details":"A stack buffer overflow in /ddsi/q_bitset.h of Eclipse IOT Cyclone DDS Project v0.1.0 causes the DDS subscriber server to crash.","modified":"2026-04-11T20:33:59.500017Z","published":"2021-08-23T21:15:09.413Z","references":[{"type":"ADVISORY","url":"https://github.com/eclipse-cyclonedds/cyclonedds"},{"type":"ADVISORY","url":"https://projects.eclipse.org/projects/iot.cyclonedds"},{"type":"REPORT","url":"https://github.com/eclipse-cyclonedds/cyclonedds/issues/476"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/eclipse-cyclonedds/cyclonedds","events":[{"introduced":"0"},{"last_affected":"1c7f9035469e53a7bade1353669c1637436fb410"}],"database_specific":{"cpe":"cpe:2.3:a:eclipse:cyclone_data_distribution_service:0.1.0:*:*:*:*:*:*:*","source":"CPE_FIELD","extracted_events":[{"introduced":"0"},{"last_affected":"0.1.0"}]}}],"versions":["V0.1.0"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-18734.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"}]}