Description
socket.io-parser before 3.4.1 allows attackers to cause a denial of service (memory consumption) via a large packet because a concatenation approach is used.
Remediation
References
https://blog.caller.xyz/socketio-engineio-dos/
https://github.com/bcaller/kill-engine-io
https://github.com/socketio/socket.io-parser/commit/dcb942d24db97162ad16a67c2a0cf30875342d55
Related Vulnerabilities
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CVE-2018-21270 Vulnerability in maven package org.webjars.npm:stringstream
CVE-2019-5457 Vulnerability in npm package min-http-server
CVE-2021-23438 Vulnerability in npm package mpath
CVE-2019-0227 Vulnerability in maven package org.apache.axis:axis-rt-core