DEBIAN-CVE-2026-29063
Immutable.js provides many Persistent Immutable data structures. Prior to versions 3.8.3, 4.3.7, and 5.1.5, Prototype Pollution is possible in immutable via the mergeDeep(), mergeDeepWith(), merge(), Map.toJS(), and Map.toObject() APIs. This issue has been patched in versions 3.8.3, 4.3.7, and 5.1.5.
DEBIAN-CVE-2026-29063
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-2026-29063
node-immutable
Source reference: /affected/0/package/name
- Affected versions
- 4.1.0-3
Source reference:
/affected/0/versions4.3.4-1Source reference:
/affected/0/versions4.3.8-1Source reference:
/affected/0/versions4.3.8-2Source reference:
/affected/0/versions4.3.9-1Source reference:
/affected/0/versions - Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
node-immutable
Source reference: /affected/1/package/name
- Affected versions
- 4.3.4-1
Source reference:
/affected/1/versions4.3.8-1Source reference:
/affected/1/versions4.3.8-2Source reference:
/affected/1/versions4.3.9-1Source reference:
/affected/1/versions - Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
node-immutable
Source reference: /affected/2/package/name
- Affected versions
- 4.3.4-1
Source reference:
/affected/2/versions - Fixed versions
- 4.3.8-1
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-immutable",
"purl": "pkg:deb/debian/node-immutable?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"4.1.0-3",
"4.3.4-1",
"4.3.8-1",
"4.3.8-2",
"4.3.9-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-29063.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "node-immutable",
"purl": "pkg:deb/debian/node-immutable?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"4.3.4-1",
"4.3.8-1",
"4.3.8-2",
"4.3.9-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-29063.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.3.8-1"
}
]
}
],
"package": {
"name": "node-immutable",
"purl": "pkg:deb/debian/node-immutable?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"4.3.4-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-29063.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
]Publisher severity
No explicit severity was provided.
- Event
- #56731 · Revision 1
- Added to Heist Feed
- Publisher date