eProsima Fast-DDS up to 2.6.11/2.14.5/3.2.3/3.4.2 DDSSQLFilter PID_CONTENT_FILTER_PROPERTY.filterExpression denial of service

Summaryinfo

A vulnerability labeled as problematic has been found in eProsima Fast-DDS up to 2.6.11/2.14.5/3.2.3/3.4.2. Affected is an unknown function of the component DDSSQLFilter. The manipulation of the argument PID_CONTENT_FILTER_PROPERTY.filterExpression results in denial of service. This vulnerability is identified as CVE-2026-22591. The attack can be executed remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic has been found in eProsima Fast-DDS up to 2.6.11/2.14.5/3.2.3/3.4.2. Affected is an unknown part of the component DDSSQLFilter. The manipulation of the argument PID_CONTENT_FILTER_PROPERTY.filterExpression with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

eprosima Fast DDS is a C++ implementation of the DDS (Data Distribution Service) standard of the OMG (Object Management Group). Prior to versions 2.6.12, 2.14.6, 3.2.4, and 3.4.3, Fast DDS’s implementation of SQL‑based content filtering (DDSSQLFilter) allows any participant in a DDS domain to remotely crash other Fast DDS participants by sending a single crafted SEDP `DATA` submessage whose `PID_CONTENT_FILTER_PROPERTY.filterExpression` contains a deeply nested filter expression. Versions 2.6.12, 2.14.6, 3.2.4, and 3.4.3 fix the issue.

The advisory is shared for download at github.com. This vulnerability is traded as CVE-2026-22591 since 01/07/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1499.

Upgrading to version 2.6.12, 2.14.6, 3.2.4 or 3.4.3 eliminates this vulnerability.

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Productinfo

Vendor

• eProsima

Name

• Fast-DDS

Version

• 2.6.0
• 2.6.1
• 2.6.2
• 2.6.3
• 2.6.4
• 2.6.5
• 2.6.6
• 2.6.7
• 2.6.8
• 2.6.9
• 2.6.10
• 2.6.11
• 2.14.0
• 2.14.1
• 2.14.2
• 2.14.3
• 2.14.4
• 2.14.5
• 3.2.0
• 3.2.1
• 3.2.2
• 3.2.3
• 3.4.0
• 3.4.1
• 3.4.2

Website

• Product: https://github.com/eProsima/Fast-DDS/

CPE 2.3info

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CPE 2.2info

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