What is CVE-2025-67111?

CVE-2025-67111 is a high-severity vulnerability in Objectcomputing Opendds, classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2025-12-23.

How severe is CVE-2025-67111?

High severity. CVSS v3 base score is 7.5 out of 10.

Integer overflow in Objectcomputing Opendds

CVE-2025-67111

An integer overflow in the RTPS protocol implementation of OpenDDS DDS before v3.33.0 allows attackers to cause a Denial of Service (DoS) via a crafted message.

Vulnerability class: Integer Overflow

Published 2025-12-23 · last modified 2026-06-17.

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: 0.003 (25.6th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 25.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Objectcomputing Opendds

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

github.com/lkloliver/poc/blob/main/POC_OpenDDS.md (Broken Link)
gist.github.com/lkloliver/fcc5da83b4cba137ce95177a9afc4126 (Third Party Advisory)

Frequently asked questions

What is CVE-2025-67111?: CVE-2025-67111 is a high-severity vulnerability in Objectcomputing Opendds, classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2025-12-23.
How severe is CVE-2025-67111?: High severity. CVSS v3 base score is 7.5 out of 10.