DEBIAN-CVE-2026-45736
ws is an open source WebSocket client and server for Node.js. Prior to 8.20.1, the websocket.close() implementation is vulnerable to uninitialized memory disclosure when a TypedArray is passed as the reason argument. This vulnerability is fixed in 8.20.1.
DEBIAN-CVE-2026-45736
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: osv:DEBIAN-CVE-2026-45736
node-ws
Source reference: /affected/0/package/name
- Affected versions
- 8.11.0+~cs13.7.3-1
Source reference:
/affected/0/versions8.11.0+~cs13.7.3-2Source reference:
/affected/0/versions8.18.0+~cs13.7.11-1Source reference:
/affected/0/versions8.18.0+~cs14.5.15-1Source reference:
/affected/0/versions8.18.1+~cs14.18.2-1Source reference:
/affected/0/versions8.19.0+~cs14.19.1-1Source reference:
/affected/0/versions8.20.1+~cs14.19.1-1Source reference:
/affected/0/versions8.21.0+~cs14.19.1-1Source reference:
/affected/0/versions8.21.1+~cs14.19.1-1Source reference:
/affected/0/versions8.21.3+~cs14.19.1-1Source reference:
/affected/0/versions - Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
node-ws
Source reference: /affected/1/package/name
- Affected versions
- 8.18.1+~cs14.18.2-1
Source reference:
/affected/1/versions8.19.0+~cs14.19.1-1Source reference:
/affected/1/versions8.20.1+~cs14.19.1-1Source reference:
/affected/1/versions8.21.0+~cs14.19.1-1Source reference:
/affected/1/versions8.21.1+~cs14.19.1-1Source reference:
/affected/1/versions8.21.3+~cs14.19.1-1Source reference:
/affected/1/versions - Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
node-ws
Source reference: /affected/2/package/name
- Affected versions
- 8.18.1+~cs14.18.2-1
Source reference:
/affected/2/versions8.19.0+~cs14.19.1-1Source reference:
/affected/2/versions - Fixed versions
- 8.20.1+~cs14.19.1-1
Source reference:
/affected/2/ranges - Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "node-ws",
"purl": "pkg:deb/debian/node-ws?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"8.11.0+~cs13.7.3-1",
"8.11.0+~cs13.7.3-2",
"8.18.0+~cs13.7.11-1",
"8.18.0+~cs14.5.15-1",
"8.18.1+~cs14.18.2-1",
"8.19.0+~cs14.19.1-1",
"8.20.1+~cs14.19.1-1",
"8.21.0+~cs14.19.1-1",
"8.21.1+~cs14.19.1-1",
"8.21.3+~cs14.19.1-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-45736.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "node-ws",
"purl": "pkg:deb/debian/node-ws?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"8.18.1+~cs14.18.2-1",
"8.19.0+~cs14.19.1-1",
"8.20.1+~cs14.19.1-1",
"8.21.0+~cs14.19.1-1",
"8.21.1+~cs14.19.1-1",
"8.21.3+~cs14.19.1-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-45736.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.20.1+~cs14.19.1-1"
}
]
}
],
"package": {
"name": "node-ws",
"purl": "pkg:deb/debian/node-ws?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"8.18.1+~cs14.18.2-1",
"8.19.0+~cs14.19.1-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-45736.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
]Publisher severity
No explicit severity was provided.
- Event
- #57124 · Revision 1
- Added to Heist Feed
- Publisher date