HexBrain

Node.js · Report #3760016

Node.js WebCrypto AES Integer Overflow Leads to Remote Process Abort (DoS)

Validstatus
highseverity
13upvotes
25 Jun 2026disclosed

Summary

A flaw in Node.js WebCrypto implementation can crash the process if the input of subtle.encrypt() is a multiple of 2GiB.

This vulnerability affects all supported release lines: Node.js 22, Node.js 24, and Node.js 26.

How it was found

The write-up for this report has not been downloaded yet, or the program disclosed it without one. Read it on HackerOne.

This report was disclosed publicly on HackerOne and belongs to its author and the program. See the original