Integer overflow in Eprosima Fast_dds

CVE-2025-65865

An integer overflow in eProsima Fast-DDS v3.3 allows attackers to cause a Denial of Service (DoS) via a crafted input.

Vulnerability class: Integer Overflow

EPSS: 0.004 (33.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-65865?
CVE-2025-65865 is a high-severity vulnerability in Eprosima Fast_dds, classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2025-12-23.
How severe is CVE-2025-65865?
High severity. CVSS v3 base score is 7.5 out of 10.