{"id":"CVE-2020-18735","aliases":["EUVD-2020-10652","GHSA-23w4-f563-4m2j","UBUNTU-CVE-2020-18735"],"status":"published","title":"A heap buffer overflow in /src/dds_stream.c of Eclipse IOT Cyclone DDS Project v0.1.0 causes the...","description":"A heap buffer overflow in /src/dds_stream.c of Eclipse IOT Cyclone DDS Project v0.1.0 causes the DDS subscriber server to crash.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01862,"percentile":0.79431,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2021-08-23T20:07:15Z","modified":"2026-10-20T10:49:58Z","affected":[{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"cyclonedds","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.7.0-7","0.8.1-4","0.8.1-4build1","0.8.1-5","0.8.2-1","0.8.2-4","0.8.2-5"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"cyclonedds","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.10.3-2","0.10.4-1","0.10.4-1.1","0.10.4-1.1build1","0.10.4-1.1build2","0.10.4-1.1build3"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"cyclonedds","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.10.5-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"cyclonedds","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.10.5-1build1","0.10.5-1build2"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"cyclonedds","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.10.5-1","0.10.5-1build1"]}],"products":[{"vendor":"eclipse","product":"cyclone_data_distribution_service"}],"references":[{"url":"https://github.com/eclipse-cyclonedds/cyclonedds","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","report"]},{"url":"https://projects.eclipse.org/projects/iot.cyclonedds","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory","advisory","report"]},{"url":"https://github.com/eclipse-cyclonedds/cyclonedds/issues/501","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-18735"},{"url":"https://github.com/advisories/GHSA-23w4-f563-4m2j"},{"url":"https://ubuntu.com/security/CVE-2020-18735","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-18735","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2020-18735","description":"A heap buffer overflow in /src/dds_stream.c of Eclipse IOT Cyclone DDS Project v0.1.0 causes the DDS subscriber server to crash.","status":"published","published":"2021-08-23T20:07:15Z","modified":"2024-08-04T14:08:29.853Z","updated_at":"2026-11-02T14:35:59.434367Z"}],"euvd":[{"id":"EUVD-2020-10652","description":"A heap buffer overflow in /src/dds_stream.c of Eclipse IOT Cyclone DDS Project v0.1.0 causes the DDS subscriber server to crash.","status":"published","published":"2021-08-23T20:07:15Z","modified":"2024-08-04T14:08:29Z","updated_at":"2026-11-03T03:07:26.397496Z"}],"ghsa":[{"id":"GHSA-23w4-f563-4m2j","title":"A heap buffer overflow in /src/dds_stream.c of Eclipse IOT Cyclone DDS Project v0.1.0 causes the...","description":"A heap buffer overflow in /src/dds_stream.c of Eclipse IOT Cyclone DDS Project v0.1.0 causes the DDS subscriber server to crash.","status":"published","published":"2022-05-24T19:11:52Z","modified":"2023-01-30T05:01:37Z","cwes":["CWE-787"],"updated_at":"2026-11-02T14:46:26.905827Z"}],"nvd":[{"id":"CVE-2020-18735","description":"A heap buffer overflow in /src/dds_stream.c of Eclipse IOT Cyclone DDS Project v0.1.0 causes the DDS subscriber server to crash.","status":"published","published":"2021-08-23T21:15:09.503Z","modified":"2026-06-17T02:59:26.7Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:06:45.704484Z"}],"osv":[{"id":"CVE-2020-18735","description":"A heap buffer overflow in /src/dds_stream.c of Eclipse IOT Cyclone DDS Project v0.1.0 causes the DDS subscriber server to crash.","status":"published","published":"2021-08-23T21:15:09.503Z","modified":"2026-10-20T10:49:58.10214833Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:15.212689Z"},{"id":"UBUNTU-CVE-2020-18735","description":"A heap buffer overflow in /src/dds_stream.c of Eclipse IOT Cyclone DDS Project v0.1.0 causes the DDS subscriber server to crash.","status":"published","published":"2021-08-23T21:15:00Z","modified":"2026-10-17T12:56:18.928090086Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:23.344108Z"}]}}