{"cve":"CVE-2022-25903","nvd":{"published":"2022-08-24T05:15:07.377","modified":"2026-06-17T04:34:28.307","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-787"],"references":["https://github.com/locka99/opcua/pull/216","https://github.com/locka99/opcua/pull/216/commits/e75dada28a40c3fefc4aeee4cdc272e1b748f8dd","https://security.snyk.io/vuln/SNYK-RUST-OPCUA-2988750","https://github.com/locka99/opcua/pull/216","https://github.com/locka99/opcua/pull/216/commits/e75dada28a40c3fefc4aeee4cdc272e1b748f8dd"],"products":["opcua_project:opcua"],"source":"nvd","synced_at":"2026-10-19T21:34:18.502168378+00:00"},"epss":{"cve":"CVE-2022-25903","score":0.01428,"percentile":0.72986,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-hgxq-hcrm-c5pm","url":"https://osv.dev/vulnerability/GHSA-hgxq-hcrm-c5pm","summary":"opcua Vulnerable to Out-of-bounds Write","modified":"2023-11-08T04:08:51.580146Z","packages":[{"ecosystem":"crates.io","name":"opcua","purl":"pkg:cargo/opcua","ranges":["<0.11.0"],"fixed":["0.11.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}