A stack buffer overflow in /ddsi/q_bitset.h of Eclipse IOT Cyclone DDS Project v0.1.0…
Priority LOW 37CWE-787Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
A stack buffer overflow in /ddsi/q_bitset.h of Eclipse IOT Cyclone DDS Project v0.1.0 causes the DDS subscriber server to crash.
Why it matters now
EPSS 0.01862 79th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:eclipse:cyclone_data_distribution_service:0.1.0:*:*:*:*:*:*:* | 0.1.0 | Vulnerable | Eclipse Foundation |
- cpe:2.3:a:eclipse:cyclone_data_distribution_service:0.1.0:*:*:*:*:*:*:* Versions 0.1.0 Vulnerable ·Eclipse Foundation
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-18734
- 2026-10-03 Alias added: GHSA-276f-9fcq-7wmm
References
More Eclipse Foundation Cyclone Data Distribution Service vulnerabilities
- TI-2025-41132 Improper verification of the time certificate in Eclipse Cyclone DDS before v0.10.5… CVSS 3.1CRITICAL 10.0
- TI-2024-10047 Integer Underflow in DDS_Security_Deserialize_ methods may lead to OOB read CVSS 4.0HIGH 8.8
- TI-2020-13455 A heap buffer overflow in /src/dds_stream.c of Eclipse IOT Cyclone DDS Project v0.1.0… CVSS 3.1HIGH 7.5
Sources
- CVE-2020-18734 · CVE Program
- CVE-2020-18734 · NVD
- FIRST EPSS
- GHSA-276f-9fcq-7wmm · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences