DEBIAN-CVE-2026-54463
websocket-driver is a WebSocket protocol handler with pluggable I/O. Prior to 0.8.1, draft versions of the WebSocket protocol in websocket-driver include a length header that allows an arbitrarily large integer to be encoded as bytes with the high bit set, and a server or client can send an indefinite sequence of 0x80 or higher bytes that the peer parses into an ever-growing Ruby integer. This can make a WebSocket connection consume an unbounded amount of memory and lead to the host process running out of memory. This issue is fixed in version 0.8.1.
DEBIAN-CVE-2026-54463
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-2026-54463
ruby-websocket-driver
Source reference: /affected/0/package/name
- Affected versions
- 0.6.3-3
Source reference:
/affected/0/versions0.8.0-1Source reference:
/affected/0/versions0.8.1-1Source reference:
/affected/0/versions0.8.2-1Source reference:
/affected/0/versions - Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
ruby-websocket-driver
Source reference: /affected/1/package/name
- Affected versions
- 0.6.3-3
Source reference:
/affected/1/versions0.8.0-1Source reference:
/affected/1/versions0.8.1-1Source reference:
/affected/1/versions0.8.2-1Source reference:
/affected/1/versions - Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
ruby-websocket-driver
Source reference: /affected/2/package/name
- Affected versions
- 0.6.3-3
Source reference:
/affected/2/versions0.8.0-1Source reference:
/affected/2/versions - Fixed versions
- 0.8.1-1
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": "ruby-websocket-driver",
"purl": "pkg:deb/debian/ruby-websocket-driver?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"0.6.3-3",
"0.8.0-1",
"0.8.1-1",
"0.8.2-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-54463.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "ruby-websocket-driver",
"purl": "pkg:deb/debian/ruby-websocket-driver?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"0.6.3-3",
"0.8.0-1",
"0.8.1-1",
"0.8.2-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-54463.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.8.1-1"
}
]
}
],
"package": {
"name": "ruby-websocket-driver",
"purl": "pkg:deb/debian/ruby-websocket-driver?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"0.6.3-3",
"0.8.0-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-54463.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
]Publisher severity
No explicit severity was provided.
- Event
- #57823 · Revision 1
- Added to Heist Feed
- Publisher date