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CVE-2025-64098

5.9 · MEDIUM

Fast DDS is a C++ implementation of the DDS (Data Distribution Service) standard of the OMG (Object Management Group ).

Published Feb 3, 2026CWE-125EPSS 0.49%

Overview

CVE-2025-64098 is a medium-severity vulnerability. It was published on February 3, 2026 and has a CVSS 3.1 base score of 5.9 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.9, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Fast DDS is a C++ implementation of the DDS (Data Distribution Service) standard of the OMG (Object Management Group

). Prior to versions 3.4.1, 3.3.1, and 2.6.11, when the security mode is enabled, modifying the DATA Submessage within an

SPDP packet sent by a publisher causes an Out-Of-Memory (OOM) condition, resulting in remote termination of Fast-DDS. If t

he fields of `PID_IDENTITY_TOKEN` or `PID_PERMISSIONS_TOKEN` in the DATA Submessage are tampered with — specifically by ta

mpering with the the `vecsize` value read by `readOctetVector` — a 32-bit integer overflow can occur, causing `std::vector

::resize` to request an attacker-controlled size and quickly trigger OOM and remote process termination. Versions 3.4.1, 3

.3.1, and 2.6.11 patch the issue.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/eProsima/Fast-DDS/commit/354218514d32beac963ff5c306f1cf159ee37c5fGitHubgithub.com/eProsima/Fast-DDS/commit/a726e6a5daba660418d1f7c05b6f203c17747d2bGitHubgithub.com/eProsima/Fast-DDS/commit/ced3b6f92d928af1eae77d5fe889878128ad421aRefsecurity-tracker.debian.org/tracker/CVE-2025-64098

How CyberStrike helps

Frequently asked questions

What is CVE-2025-64098?

CVE-2025-64098 is a medium-severity vulnerability. It was published on February 3, 2026 and has a CVSS 3.1 base score of 5.9 (MEDIUM).

How severe is CVE-2025-64098?

This vulnerability has a CVSS 3.1 base score of 5.9, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2025-64098?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-64098?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-64098 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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