Denial of service (DoS) in opcua
Priority LOW 36CWE-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
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-787 and the CVSS impact.
Summary
The package opcua from 0.0.0 are vulnerable to Denial of Service (DoS) via the ExtensionObjects and Variants objects, when it allows unlimited nesting levels, which could result in a stack overflow even if the message size is less than the maximum allowed.
Why it matters now
EPSS 0.01428 73rd percentileScored 2026-11-07
Fix Fixed opcua (crates.io): 0.11.0
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 |
|---|---|---|---|---|---|
| — | opcua | 0.0.0 and later | — | No fix listed | CNA |
| — | opcua (crates.io) | before 0.11.0 | 0.11.0 | Patch available | GHSA-hgxq-hcrm-c5pm |
- opcua Vendor— Affected 0.0.0 and later Fixed in — No fix listed CNA
- opcua (crates.io) Vendor— Affected before 0.11.0 Fixed in 0.11.0 Patch available GHSA-hgxq-hcrm-c5pm
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:opcua_project:opcua:*:*:*:*:*:rust:*:* | 0.0.0 | Vulnerable | Opcua Project |
- cpe:2.3:a:opcua_project:opcua:*:*:*:*:*:rust:*:* Versions 0.0.0 Vulnerable ·Opcua Project
Remediation
- Fix · GHSA-hgxq-hcrm-c5pm opcua (crates.io) Fixed in 0.11.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2022-25903
- 2026-10-03 Alias added: GHSA-hgxq-hcrm-c5pm
References
More Opcua Project Opcua vulnerabilities
- TI-2022-09445 Denial of service (DoS) in opcua CVSS 3.1HIGH 7.5
- TI-2022-08997 Denial of service (DoS) in opcua CVSS 3.1HIGH 7.5
Sources
- CVE-2022-25903 · CVE Program
- CVE-2022-25903 · NVD
- FIRST EPSS
- GHSA-hgxq-hcrm-c5pm · 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