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CVE-2025-62799
Good to know:
Date: February 3, 2026
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, a heap buffer overflow exists in the Fast-DDS DATA_FRAG receive path. An un authenticated sender can transmit a single malformed RTPS DATA_FRAG packet where "fragmentSize" and "sampleSize" are craft ed to violate internal assumptions. Due to a 4-byte alignment step during fragment metadata initialization, the code write s past the end of the allocated payload buffer, causing immediate crash (DoS) and potentially enabling memory corruption ( RCE risk). Versions 3.4.1, 3.3.1, and 2.6.11 patch the issue.
Severity Score
Related Resources (6)
Severity Score
Weakness Type (CWE)
Heap-based Buffer Overflow
CWE-122Top Fix
Upgrade Version
Upgrade to version https://github.com/eProsima/Fast-DDS.git - v3.4.1;https://github.com/eProsima/Fast-DDS.git - v2.6.11;https://github.com/eProsima/Fast-DDS.git - v3.3.1
CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | NETWORK |
| Attack Complexity (AC): | LOW |
| Privileges Required (PR): | NONE |
| User Interaction (UI): | NONE |
| Scope (S): | UNCHANGED |
| Confidentiality (C): | HIGH |
| Integrity (I): | HIGH |
| Availability (A): | HIGH |