CVE-2023-39948

Name: CVE-2023-39948
Creator: NVD / NIST
Published: 2023-08-11T14:15:13.693+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.89%

Last modified Jun 17, 2026

CVE-2023-39948 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 0.89% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.89%

54.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-248

Affected Software

Vendor	Product	Versions	Update
Eprosima	Fast Dds	>= 2.6.0, < 2.6.5	—
Eprosima	Fast Dds	2.10.0	Rc1
Debian	Debian Linux	11.0	—
Debian	Debian Linux	12.0	—

References

https://github.com/eProsima/Fast-DDS/files/11117197/fastdds-assert.pcap.zipThird Party Advisory
https://github.com/eProsima/Fast-DDS/issues/3422Third Party Advisory
https://github.com/eProsima/Fast-DDS/security/advisories/GHSA-x9pj-vrgf-f68fThird Party Advisory
https://www.debian.org/security/2023/dsa-5481Third Party Advisory
https://github.com/eProsima/Fast-DDS/files/11117197/fastdds-assert.pcap.zipThird Party Advisory
https://github.com/eProsima/Fast-DDS/issues/3422Third Party Advisory
https://github.com/eProsima/Fast-DDS/security/advisories/GHSA-x9pj-vrgf-f68fThird Party Advisory
https://www.debian.org/security/2023/dsa-5481Third Party Advisory

Timeline

Published: Aug 11, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-39948?

How severe is CVE-2023-39948?

CVE-2023-39948 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.89% probability of exploitation in the next 30 days.

How do I fix CVE-2023-39948?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-39948?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST