{"id":"UBUNTU-CVE-2023-39945","details":"eprosima Fast DDS is a C++ implementation of the Data Distribution Service standard of the Object Management Group. Prior to versions 2.11.0, 2.10.2, 2.9.2, and 2.6.5, a data submessage sent to PDP port raises unhandled `BadParamException` in fastcdr, which in turn crashes fastdds. Versions 2.11.0, 2.10.2, 2.9.2, and 2.6.5 contain a patch for this issue.","modified":"2026-04-22T16:50:02.004181Z","published":"2023-08-11T14:15:00Z","related":["USN-6306-1"],"upstream":["CVE-2023-39945"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-39945"},{"type":"REPORT","url":"https://github.com/eProsima/Fast-DDS/security/advisories/GHSA-2rq6-8j7x-frr9"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6306-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2023-39945"}],"affected":[{"package":{"name":"fastdds","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/fastdds@2.5.0+ds-3ubuntu0.1~esm1?arch=source&distro=esm-apps/jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.0+ds-3ubuntu0.1~esm1"}]}],"versions":["2.1.0+ds-9","2.4.1+ds-1","2.5.0+ds-3"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"fastdds-tools","binary_version":"2.5.0+ds-3ubuntu0.1~esm1"},{"binary_version":"2.5.0+ds-3ubuntu0.1~esm1","binary_name":"libfastrtps2.5"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-39945.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:L/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}