CVE-2023-23919: Node.js

High severity, CVSS 7.5. EPSS: 2.2% chance of exploitation in the next 30 days.

A cryptographic vulnerability exists in Node.js <19.2.0, <18.14.1, <16.19.1, <14.21.3 that in some cases did does not clear the OpenSSL error stack after operations that may set it. This may lead to false positive errors during subsequent cryptographic operations that happen to be on the same thread. This in turn could be used to cause a denial of service.

Affected products

• Node.js Node.js: from 14.0.0, up to and including 14.14.0; from 14.0.0, before 14.21.3 (fixed in 14.21.3); from 16.0.0, up to and including 16.12.0; from 16.0.0, before 16.19.1 (fixed in 16.19.1); from 18.0.0, up to and including 18.11.0; from 18.0.0, before 18.14.1 (fixed in 18.14.1); …

Published 2023-02-23. Last modified 2026-06-17.