CVE Feed

    Dashboard / CVE / CVE-2021-38435

    CVE-2021-38435

    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.

    Published:May 5, 2022
    Last Modified:Apr 16, 2025
    EPS:May 5, 2022
    EPSS Score:0.00186
    CVSS Score:6.6

    Affected Products

    Vendor
    Rti
    Product
    Connext Professional
    Vendor
    Rti
    Product
    Connext Secure

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-100 Overflow Buffers
    CAPEC-47 Buffer Overflow via Parameter Expansion

    Related CVEs

    CVE-2026-2674 (CVSS 4.8) — Out-of-bounds Write, Out-of-bounds Write, Out-of-bounds Write vulnerability in RTI Connext Professional (Queue…
    CVE-2026-30799 (CVSS 6.1) — Missing Authentication for Critical Function vulnerability in RTI Connext Professional (Security Plugins) allo…
    CVE-2026-7300 (CVSS 8.8) — Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in RTI Connext Profession…
    CVE-2026-3894 (CVSS 9.2) — Out-of-bounds Read vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers.This iss…
    CVE-2026-2675 (CVSS 6) — Missing Authentication for Critical Function vulnerability in RTI Connext Professional (Security Plugins) allo…
    CVE-2026-2467 (CVSS 9.2) — Heap-based Buffer Overflow vulnerability in RTI Connext Professional (Core Libraries) allows Overflow Variable…
    CVE-2025-14543 (CVSS 8.8) — Improper Restriction of XML External Entity Reference vulnerability in RTI Connext Professional (Core Librarie…
    CVE-2026-4374 (CVSS 8.8) — Improper Restriction of XML External Entity Reference vulnerability in RTI Connext Professional (Cloud Discove…
    CVE-2026-2394 (CVSS 6.3) — Buffer Over-read vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers.This issue…
    CVE-2025-10450 (CVSS 8.3) — Exposure of Private Personal Information to an Unauthorized Actor vulnerability in RTI Connext Professional (C…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High