CVE-2025-66969
Integer overflow in OpenModSim (<=1.11.0), leading to denial of service
Integer overflow in OpenModSim (<=1.11.0), leading to denial of service
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Integer overflow in OpenModSim (<=1.11.0), leading to denial of service
- Record
CVE-2025-66969- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-190
- Updated
- 2026-11-02
EUVDEUVD-2025-211110
Integer overflow in OpenModSim (<=1.11.0), leading to denial of service
- Record
EUVD-2025-211110- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-rxjm-cvqw-hr88
Integer overflow in OpenModSim (<=1.11.0), leading to denial of service
Integer overflow in OpenModSim (<=1.11.0), leading to denial of service
- Record
GHSA-rxjm-cvqw-hr88- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-190
- Updated
- 2026-11-02
NVD
Integer overflow in OpenModSim (<=1.11.0), leading to denial of service
- Record
CVE-2025-66969- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-190
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-66969 is a high vulnerability (CVSS 7.5), published October 16, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.34%, the 27th percentile. No source names a fixed version.