{"id":"CVE-2023-39534","summary":"Malformed GAP submessage triggers assertion failure","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, 2.9.2, and 2.6.5, a malformed GAP submessage can trigger assertion failure, crashing FastDDS. Version 2.10.0, 2.9.2, and 2.6.5 contain a patch for this issue.","aliases":["GHSA-fcr6-x23w-94wp"],"modified":"2026-05-18T05:57:08.076261335Z","published":"2023-08-11T13:12:00.633Z","database_specific":{"cwe_ids":["CWE-617"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/39xxx/CVE-2023-39534.json","cna_assigner":"GitHub_M"},"references":[{"type":"WEB","url":"https://bombshell.gtisc.gatech.edu/ddsfuzz/pcap/fastdds-assert-230509.pcap"},{"type":"WEB","url":"https://github.com/eProsima/Fast-DDS/blob/v2.9.1/include/fastdds/rtps/common/SequenceNumber.h#L238-L252"},{"type":"WEB","url":"https://github.com/eProsima/Fast-DDS/blob/v2.9.1/src/cpp/rtps/reader/StatefulReader.cpp#L863"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/39xxx/CVE-2023-39534.json"},{"type":"ADVISORY","url":"https://github.com/eProsima/Fast-DDS/security/advisories/GHSA-fcr6-x23w-94wp"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-39534"},{"type":"ADVISORY","url":"https://www.debian.org/security/2023/dsa-5481"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/eprosima/fast-dds","events":[{"introduced":"eaeb0f593ad61fe77cf105c7ebbac44b60a13934"},{"fixed":"9ebff95553a25855974d85e909fdebf046a8dc2c"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-39534.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"}]}