CVE-2021-38435

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

State: Published
Severity: 6.6 Medium
Published: May 5, 2022
Updated: Apr 16, 2025
Reserved: Aug 10, 2021

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.

Scores

CVSS	Score	Vector	Source
3.1	6.6 Medium	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H	icscert

Weaknesses

CWE-131 Incorrect Calculation of Buffer Size

Affected Products

Product	Versions
Connext DDS ProfessionalRTI	4.2x through 6.1.0Affected
Connext DDS SecureRTI	4.2x through 6.1.0Affected

References

https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02
https://support.rti.com/s/login/?ec=302&startURL=%2Fs%2F

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