HighFix available
node-postcss — security advisory
The package postcss before 8.2.13 are vulnerable to Regular Expression Denial of Service (ReDoS) via getAnnotationURL() and loadAnnotation() in lib/previous-map.js. The vulnerable regexes are caused mainly by the sub-pattern \/\*\s* sourceMappingURL=(.*).
- Products
- node-postcss
- Affected versions
- Not specified
- Fixed versions
- 8.2.1+~cs5.3.23-7
- CVEs
- CVE-2021-23382
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 00:42 UTC · Revision 1
Source evidence
The package postcss before 8.2.13 are vulnerable to Regular Expression Denial of Service (ReDoS) via getAnnotationURL() and loadAnnotation() in lib/previous-map.js. The vulnerable regexes are caused mainly by the sub-pattern \/\*\s* sourceMappingURL=(.*).
osv:DEBIAN-CVE-2021-23382
node-postcss
Fixed versions: 8.2.1+~cs5.3.23-7
node-postcss
Fixed versions: 8.2.1+~cs5.3.23-7
node-postcss
Fixed versions: 8.2.1+~cs5.3.23-7
Complete source record
{
"id": "cc2f3e1d247fc7d6729b2c4a766677930f8efb308851bc0e0c7c31099cc29819",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2021-23382",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2021-23382",
"summary": "The package postcss before 8.2.13 are vulnerable to Regular Expression Denial of Service (ReDoS) via getAnnotationURL() and loadAnnotation() in lib/previous-map.js. The vulnerable regexes are caused mainly by the sub-pattern \\/\\*\\s* sourceMappingURL=(.*).",
"evidence": "osv:DEBIAN-CVE-2021-23382",
"products": [
{
"name": {
"value": "node-postcss",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.2.1+~cs5.3.23-7",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "node-postcss",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.2.1+~cs5.3.23-7",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "node-postcss",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.2.1+~cs5.3.23-7",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "DEBIAN-CVE-2021-23382",
"aliases": [
"DEBIAN-CVE-2021-23382"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.2.1+~cs5.3.23-7"
}
]
}
],
"package": {
"name": "node-postcss",
"purl": "pkg:deb/debian/node-postcss?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-23382.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.2.1+~cs5.3.23-7"
}
]
}
],
"package": {
"name": "node-postcss",
"purl": "pkg:deb/debian/node-postcss?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-23382.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.2.1+~cs5.3.23-7"
}
]
}
],
"package": {
"name": "node-postcss",
"purl": "pkg:deb/debian/node-postcss?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-23382.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-23T18:03:37.005880250Z",
"provider": "osv",
"upstream": [
"CVE-2021-23382"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2021-23382"
]
},
"related_cves": [
{
"value": "CVE-2021-23382",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 422008,
"published_at": "2021-04-26T16:15:07.33+00:00"
}