CVE-2021-38435

RTI Connext DDS Professional and Connext DDS Secure Incorrect Calculation of Buffer Size

Published May 5, 2022 CVSS 3.1 · 6.6 Medium EPSS 1.4% KEV · Not listed
Description
RTI Connext DDS Professional and Connext DDS Secure Versions 4.2x to 6.1.0 not correctly calculate the size when allocating the buffer, which may result in a buffer overflow.

Remediation

Vendor Solution

RTI recommends users apply the available patches for these issues. A patch is available on the RTI customer portal or by contacting RTI Support. Also, contact RTI Support for mitigations, including how to use RTI DDS Secure to mitigate against the network amplification issue.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2021-24887 RTI Connext DDS Professional and Connext DDS Secure Versions 4.2x to 6.1.0 not correctly calculate the size when allocating the buffer, which may result in a buffer overflow.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Rti connext Professional
Rti connext Secure
CPEs cpe:2.3:a:rti:connext_dds_professional:*:*:*:*:*:*:*:*
cpe:2.3:a:rti:connext_dds_secure:*:*:*:*:*:*:*:*
cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*
cpe:2.3:a:rti:connext_secure:*:*:*:*:*:*:*:*
Vendors & Products Rti connext Dds Professional
Rti connext Dds Secure
Rti connext Professional
Rti connext Secure
Weaknesses

Sources

Status
PUBLISHED
Assigner
icscert
Published
Updated
Apr 16, 2025, 4:22 PM
Reserved
Aug 10, 2021, 12:00 AM
Status
Modified
Published
May 5, 2022, 5:15 PM
Modified
Jun 17, 2026, 4:02 AM