CVE-2023-39945

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.

• CWE-248

• https://bombshell.gtisc.gatech.edu/ddsfuzz/pcap/fastdds-exception-20230509-02.pcapThird Party Advisory
• https://github.com/eProsima/Fast-CDR/blob/v1.0.26/src/cpp/Cdr.cpp#L72-L79Third Party Advisory
• https://github.com/eProsima/Fast-DDS/security/advisories/GHSA-2rq6-8j7x-frr9Third Party Advisory
• https://www.debian.org/security/2023/dsa-5481Third Party Advisory
• https://bombshell.gtisc.gatech.edu/ddsfuzz/pcap/fastdds-exception-20230509-02.pcapThird Party Advisory
• https://github.com/eProsima/Fast-CDR/blob/v1.0.26/src/cpp/Cdr.cpp#L72-L79Third Party Advisory
• https://github.com/eProsima/Fast-DDS/security/advisories/GHSA-2rq6-8j7x-frr9Third Party Advisory
• https://www.debian.org/security/2023/dsa-5481Third Party Advisory

Published

Aug 11, 2023

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2023-39938Reflected cross-site scripting vulnerability in VI Web Clien…6.1
• CVE-2023-39939SQL injection vulnerability in LuxCal Web Calendar prior to …9.1
• CVE-2023-3994An issue has been discovered in GitLab CE/EE affecting all v…7.5
• CVE-2023-39941Improper access control in some Intel(R) SUR software before…6.5
• CVE-2023-39943In Ashlar-Vellum Cobalt versions prior to v12 SP2 Build (120…8.4
• CVE-2023-39944OS command injection vulnerability in WRC-F1167ACF all versi…8.8
• CVE-2023-39946eprosima Fast DDS is a C++ implementation of the Data Distri…7.5
• CVE-2023-39947eprosima Fast DDS is a C++ implementation of the Data Distri…7.5
• CVE-2023-39948eprosima Fast DDS is a C++ implementation of the Data Distri…7.5
• CVE-2023-39949eprosima Fast DDS is a C++ implementation of the Data Distri…7.5
• CVE-2023-3995Rejected reason: This CVE ID has been rejected or withdrawn …
• CVE-2023-39950efibootguard is a simple UEFI boot loader with support for s…5.2