High severity7.5NVD Advisory· Published Aug 23, 2022· Updated Jun 17, 2026
CVE-2022-21208
CVE-2022-21208
Description
The package node-opcua before 2.74.0 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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
node-opcuanpm | < 2.74.0 | 2.74.0 |
Affected products
3- cpe:2.3:a:node-opcua_project:node-opcua:*:*:*:*:*:node.js:*:*Range: <2.74.0
Patches
Vulnerability mechanics
References
6- github.com/node-opcua/node-opcua/commit/33ca3bab4ab781392a2f8d8f5a14de9a0aa0e410nvdPatchThird Party AdvisoryWEB
- github.com/node-opcua/node-opcua/commit/dbcb5d5191118c22ee9c89332a94b94e6553d76bnvdPatchThird Party AdvisoryWEB
- github.com/node-opcua/node-opcua/pull/1149nvdPatchThird Party AdvisoryWEB
- github.com/advisories/GHSA-4hr4-pjjh-2q2wghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2022-21208ghsaADVISORY
- security.snyk.io/vuln/SNYK-JS-NODEOPCUA-2988723nvdThird Party AdvisoryWEB
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