CVE-2023-39948
highpriority · track · 30EPSS 0.010 · 64 %ileEURUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (10)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (15)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2023-39948/cnnvd
- https://github.com/eProsima/Fast-DDS/files/11117197/fastdds-assert.pcap.zipcnnvd
- https://github.com/eProsima/Fast-DDS/issues/3422cnnvd
- https://github.com/eProsima/Fast-DDS/security/advisories/GHSA-x9pj-vrgf-f68fcnnvd
- https://vigilance.fr/vulnerability/Fast-DDS-six-vulnerabilities-42051cnnvd
- https://www.auscert.org.au/bulletins/ESB-2023.4875cnnvd
- https://www.debian.org/security/2023/dsa-5481cnnvd
- https://github.com/eProsima/Fast-DDS/files/11117197/fastdds-assert.pcap.zipenisa_euvd
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