Insufficient validation when decoding a Socket.IO packet
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.3epss 1.1%
exploitation probability
1.1%top 39% of all CVEs
observed exploitation
nono source reports it
socket.io parser is a socket.io encoder and decoder written in JavaScript complying with version 5 of socket.io-protocol. A specially crafted Socket.IO packet can trigger an uncaught exception on the Socket.IO server, thus killing the Node.js process. A patch has been released in version 4.2.3.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Affected products
socketio · socket.io-parserReferences
https://github.com/socketio/socket.io-parser/commit/2dc3c92622dad113b8676be06f23b1ed46b02cedhttps://github.com/socketio/socket.io-parser/commit/3b78117bf6ba7e99d7a5cfc1ba54d0477554a7f3https://github.com/socketio/socket.io-parser/releases/tag/4.2.3https://github.com/socketio/socket.io-parser/security/advisories/GHSA-cqmj-92xf-r6r9