CVE-2025-62601 — Heap-based Buffer Overflow in Fast-dds

CWE-122 — Heap-based Buffer OverflowCWE-787 — Out-of-bounds Write5 documents5 sources
Severity
1.7LOWNVD
EPSS
0.0%
top 94.53%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Eprosima Fast-ddsEprosima Fast DDS
Timeline
PublishedFeb 3

Description

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, when the security mode is enabled, modifying the DATA Submessage within an SPDP packet sent by a publisher causes a heap buffer overflow, resulting in remote termination of Fast-DDS. If the fields of `PID_IDENTITY_TOKEN` or `PID_PERMISSIONS_TOKEN` in the DATA Submessage — specifically by tampering with the `str_size` value read by `re…

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Affected Packages2 packages

▶CVEListV5eprosima/fast-dds3.4.0 — 3.4.1+2
▶NVDeprosima/fast_dds3.0.0 — 3.3.1+2

Patches

Patch: github.com ↗Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

2
OSV
CVE-2025-62601: Fast DDS is a C++ implementation of the DDS (Data Distribution Service) standard of the OMG (Object Management Group )↗2026-02-03
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CVEList
FastDDS has heap buffer overflow in readString via Manipulated DATA Submessage when DDS Security is enabled↗2026-02-03
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📋Vendor Advisories

1
Debian
CVE-2025-62601: fastdds - Fast DDS is a C++ implementation of the DDS (Data Distribution Service) standard...↗2025
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🕵️Threat Intelligence

1
Wiz
CVE-2025-62601 Impact, Exploitability, and Mitigation Steps | Wiz↗
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CVE-2025-62601 — Heap-based Buffer Overflow in Fast-dds | cvebase