{"cve":"CVE-2022-25888","nvd":{"published":"2022-08-23T05:15:08.107","modified":"2026-06-17T04:34:26.710","status":"Modified","description":"The package opcua from 0.0.0 are vulnerable to Denial of Service (DoS) due to a missing limitation on the number of received chunks - per single session or in total for all concurrent sessions. An attacker can exploit this vulnerability by sending an unlimited number of huge chunks (e.g. 2GB each) without sending the Final closing chunk.","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-770"],"references":["https://github.com/locka99/opcua/pull/216","https://github.com/locka99/opcua/pull/216/commits/6fb683c5fec46c6dd347824491c4d93a229da695","https://security.snyk.io/vuln/SNYK-RUST-OPCUA-2988751","https://github.com/locka99/opcua/pull/216","https://github.com/locka99/opcua/pull/216/commits/6fb683c5fec46c6dd347824491c4d93a229da695"],"products":["opcua_project:opcua"],"source":"nvd","synced_at":"2026-10-19T21:34:18.502168378+00:00"},"epss":{"cve":"CVE-2022-25888","score":0.01321,"percentile":0.70864,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-8mx2-gqx9-rm7f","url":"https://osv.dev/vulnerability/GHSA-8mx2-gqx9-rm7f","summary":"Uncontrolled Resource Consumption in opcua","modified":"2023-11-08T04:08:50.772701Z","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."]}