Reachable Assertion Affecting fastdds package, versions <2.9.1+ds-1+deb12u1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
1.04% (61st percentile)

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  • Snyk IDSNYK-ECHOLATEST-FASTDDS-18306886
  • published25 Jul 2026
  • disclosed11 Aug 2023

Introduced: 11 Aug 2023

CVE-2023-39949  (opens in a new tab)
CWE-617  (opens in a new tab)

How to fix?

Upgrade Echo:latest fastdds to version 2.9.1+ds-1+deb12u1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream fastdds package and not the fastdds package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1