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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.004 (32.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
- Eprosima Fast Dds — versions 3.3.0
Weakness classification (CWE)
References
- eprosima.com (Product)
- fast-dds.com (Not Applicable, Broken Link)
- github.com/lkloliver/poc/blob/main/Detail.md (Exploit, Broken Link)
- gist.github.com/lkloliver/7aa48cb9fc7a1dd74cb595212bb69d33 (Third Party Advisory)
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.