Unrated severityNVD Advisory· Published Aug 11, 2023· Updated Feb 13, 2025
Improper validation of sequence numbers leading to remotely reachable assertion failure
CVE-2023-39949
Description
eprosima Fast DDS is a C++ implementation of the Data Distribution Service standard of the Object Management Group. Prior to versions 2.9.1 and 2.6.5, improper validation of sequence numbers may lead to remotely reachable assertion failure. This can remotely crash any Fast-DDS process. Versions 2.9.1 and 2.6.5 contain a patch for this issue.
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Affected products
2Patches
Vulnerability mechanics
References
4- github.com/eProsima/Fast-DDS/blob/v2.9.0/src/cpp/rtps/messages/MessageReceiver.cppmitrex_refsource_MISC
- github.com/eProsima/Fast-DDS/issues/3236mitrex_refsource_MISC
- github.com/eProsima/Fast-DDS/security/advisories/GHSA-3jv9-j9x3-95cgmitrex_refsource_CONFIRM
- www.debian.org/security/2023/dsa-5481mitre
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