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.
Conclusion & alert: CVE-2025-67111 is rated Low Risk (35.8/100): CVSS High severity, with low exploitation likelihood (EPSS 0.05%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-12-29 | 0.04% | 0.05% | +0.01% |
| 2 | 2025-12-24 | — | 0.04% | — |
Full EPSS history (2 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| objectcomputing | opendds | < 3.33.0 | cpe:2.3:a:objectcomputing:opendds:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://gist.github.com/lkloliver/fcc5da83b4cba137ce95177a9afc4126 | Third Party Advisory |
| https://github.com/lkloliver/poc/blob/main/POC_OpenDDS.md | Broken Link |