Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| snykCNA (assigner) | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P |
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 1.4% · top 27% of all CVEs (6 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
- Denial of Service (DoS)
- CWE-787 (opens in a new tab)All about CWE-787 and its CVEs
Affected products
opcua
- affected 0.0.0 – < unspecified
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- crates.ioopcuaGHSA-hgxq-hcrm-c5pm (opens in a new tab)
References (3)
- https://github.com/locka99/opcua/pull/216 (opens in a new tab)x_refsource_MISCx_transferred
- https://security.snyk.io/vuln/SNYK-RUST-OPCUA-2988750 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/locka99/opcua/pull/216/commits/e75dada28a40c3fefc4aeee4cdc272e1b748f8dd (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-hgxq-hcrm-c5pm (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-25903)Record last updated .