ubuntu-cve-2022-21222
Vulnerability from osv_ubuntu
Published
2022-09-30 05:15
Modified
2026-05-20 14:55
Summary
Details
The package css-what before 2.1.3 are vulnerable to Regular Expression Denial of Service (ReDoS) due to the usage of insecure regular expression in the re_attr variable of index.js. The exploitation of this vulnerability could be triggered via the parse function.
Severity
5.3 (Medium)
7.5 (High)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "node-css-what",
"binary_version": "2.1.0-1ubuntu0.16.04.1~esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"name": "node-css-what",
"purl": "pkg:deb/ubuntu/node-css-what@2.1.0-1ubuntu0.16.04.1~esm1?arch=source\u0026distro=esm-apps/xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.1.0-1ubuntu0.16.04.1~esm1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.0.2-1",
"2.1.0-1"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "node-css-what",
"binary_version": "2.1.0-1+deb10u1build0.18.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "node-css-what",
"purl": "pkg:deb/ubuntu/node-css-what@2.1.0-1+deb10u1build0.18.04.1?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.1.0-1+deb10u1build0.18.04.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.1.0-1"
]
},
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "node-css-what",
"binary_version": "3.2.1-1ubuntu0.1~esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:20.04:LTS",
"name": "node-css-what",
"purl": "pkg:deb/ubuntu/node-css-what@3.2.1-1ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "3.2.1-1ubuntu0.1~esm1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"3.1.0-2",
"3.2.0-1",
"3.2.1-1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "node-css-what",
"binary_version": "6.1.0-5"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "node-css-what",
"purl": "pkg:deb/ubuntu/node-css-what@6.1.0-5?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"6.1.0-5"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "node-css-what",
"binary_version": "6.1.0-5"
}
]
},
"package": {
"ecosystem": "Ubuntu:25.10",
"name": "node-css-what",
"purl": "pkg:deb/ubuntu/node-css-what@6.1.0-5?arch=source\u0026distro=questing"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"6.1.0-5"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "node-css-what",
"binary_version": "6.1.0-5"
}
]
},
"package": {
"ecosystem": "Ubuntu:26.04:LTS",
"name": "node-css-what",
"purl": "pkg:deb/ubuntu/node-css-what@6.1.0-5?arch=source\u0026distro=resolute"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"6.1.0-5"
]
}
],
"aliases": [],
"details": "The package css-what before 2.1.3 are vulnerable to Regular Expression Denial of Service (ReDoS) due to the usage of insecure regular expression in the re_attr variable of index.js. The exploitation of this vulnerability could be triggered via the parse function.",
"id": "UBUNTU-CVE-2022-21222",
"modified": "2026-05-20T14:55:42Z",
"published": "2022-09-30T05:15:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2022-21222"
},
{
"type": "REPORT",
"url": "https://security.snyk.io/vuln/SNYK-JS-CSSWHAT-3035488"
},
{
"type": "REPORT",
"url": "https://github.com/fb55/css-what/blob/a38effd5a8f5506d75c7f8f13cbd8c76248a3860/index.js%23L12"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-6065-1"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-21222"
}
],
"related": [
"USN-6065-1"
],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2022-21222"
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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