{"id":"CVE-2023-39948","summary":"Uncaught fastcdr exception (Unexpected CDR type received) crashing fastdds","details":"eprosima Fast DDS is a C++ implementation of the Data Distribution Service standard of the Object Management Group. Prior to versions 2.10.0 and 2.6.5, the `BadParamException` thrown by Fast CDR is not caught in Fast DDS. This can remotely crash any Fast DDS process. Versions 2.10.0 and 2.6.5 contain a patch for this issue.","aliases":["GHSA-x9pj-vrgf-f68f"],"modified":"2026-07-15T02:09:08.340503445Z","published":"2023-08-11T13:51:38.871Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/39xxx/CVE-2023-39948.json","cna_assigner":"GitHub_M","cwe_ids":["CWE-248"]},"references":[{"type":"WEB","url":"https://github.com/eProsima/Fast-DDS/files/11117197/fastdds-assert.pcap.zip"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/39xxx/CVE-2023-39948.json"},{"type":"ADVISORY","url":"https://github.com/eProsima/Fast-DDS/security/advisories/GHSA-x9pj-vrgf-f68f"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-39948"},{"type":"ADVISORY","url":"https://www.debian.org/security/2023/dsa-5481"},{"type":"REPORT","url":"https://github.com/eProsima/Fast-DDS/issues/3422"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/eprosima/fast-dds","events":[{"introduced":"7124ff87c4813bed26858fd89d3b915a5857dbc7"},{"fixed":"8f2a8828dcffab1e78f14023cdae7a8efe4e4a5b"},{"introduced":"191ce8d763145865fe6ce270688cfbb5125e9364"},{"last_affected":"191ce8d763145865fe6ce270688cfbb5125e9364"}],"database_specific":{"cpe":["cpe:2.3:a:eprosima:fast_dds:*:*:*:*:*:*:*:*","cpe:2.3:a:eprosima:fast_dds:2.10.0:rc1:*:*:*:*:*:*"],"extracted_events":[{"introduced":"2.6.0"},{"fixed":"2.6.5"},{"introduced":"2.10.0-rc1"},{"last_affected":"2.10.0-rc1"}],"source":["CPE_RANGE","CPE_STRING"]}}],"versions":["2.10.0-rc1","v2.10.0-rc1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-39948.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"}]}