{"action":"Upgrade node-ws to 7.4.2+~cs18.0.8-2 or later.","affected":[{"fixed":"7.4.2+~cs18.0.8-2","introduced":"0"}],"component":"node-ws","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["7.4.2+~cs18.0.8-2"],"id":"tcs_01M5NFPKZ21MXYPEVCM49RRHD6","modified_at":"2026-10-23T18:03:03.601059783Z","published_at":"2021-05-25T19:15:07.767Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-32640","https://security-tracker.debian.org/tracker/CVE-2021-32640"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-32640#Debian:13/node-ws","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-32640"}],"summary":"ws is an open source WebSocket client and server library for Node.js. A specially crafted value of the `Sec-Websocket-Protocol` header can be used to significantly slow down a ws server. The vulnerabi"}