CVE-2025-64098

Medium

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.

SeverityMedium
CVSS5.9
Exploit probability—
ProductEprosima Fast Dds
PublishedFeb 3, 2026
First seenFeb 3, 2026

How to fix

Update
  • eprosima fast_dds2.6.11, 3.3.1 or later

Affected products

ProductAffected versionsFixed in
eprosima fast_ddsv < 2.6.11, 3.0.0 ≤ v < 3.3.1, 3.4.02.6.11, 3.3.1
debian debian_linux11.0, 12.0, 13.0—

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CVE-2025-64098 · Eprosima Fast Dds · Dark Radar