High
Security advisory
A Regular Expression Denial of Service (ReDoS) flaw was found in kangax html-minifier 4.0.0 because of the reCustomIgnore regular expression.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2022-37620
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 2 Nov 2026, 18:26 UTC · Revision 1
Source evidence
A Regular Expression Denial of Service (ReDoS) flaw was found in kangax html-minifier 4.0.0 because of the reCustomIgnore regular expression.
osv:CVE-2022-37620
Complete source record
{
"id": "480a59950ed8337ec41ae0231dc85401218dbf493eff4b8568ae77e39873815c",
"url": "https://osv.dev/vulnerability/CVE-2022-37620",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2022-37620",
"summary": "A Regular Expression Denial of Service (ReDoS) flaw was found in kangax html-minifier 4.0.0 because of the reCustomIgnore regular expression.",
"evidence": "osv:CVE-2022-37620",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2022-37620",
"aliases": [
"CVE-2022-37620",
"GHSA-pfq8-rq6v-vf5m"
],
"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": [
{
"repo": "https://github.com/kangax/html-minifier",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "4beb325eb01154a40c0cbebff2e5737bbd7071ab"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:kangax:html-minifier:*:*:*:*:*:node.js:*:*",
"range": [
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},
{
"last_affected": "4.0.0"
}
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"source": "CPE_RANGE"
}
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}
],
"versions": [
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"v3.5.21",
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"v3.5.7",
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"v3.5.5",
"v3.5.4",
"v3.5.3",
"v3.5.2",
"v3.5.1",
"v3.5.0",
"v3.4.4",
"v3.4.3",
"v3.4.2",
"v3.4.1",
"v3.4.0",
"v3.3.3",
"v3.3.2",
"v3.3.1",
"v3.3.0",
"v3.2.3",
"v3.2.0",
"v3.1.1",
"v3.1.0",
"v3.0.3",
"v3.0.2",
"v3.0.1",
"v3.0.0",
"v2.1.7",
"v2.1.6",
"v2.1.5",
"v2.1.4",
"v2.1.3",
"v2.1.2",
"v2.1.1",
"v2.1.0",
"v2.0.0",
"v1.5.0",
"v1.4.0",
"v1.3.1",
"v1.3.0",
"v1.2.0",
"v1.1.1",
"v1.0.1",
"v1.0.0",
"v0.8.1",
"v0.8.0",
"v0.7.2",
"v0.7.1",
"v0.7.0",
"v0.6.9",
"v0.6.8",
"v0.6.7",
"v0.6.6",
"v0.6.5",
"v0.6.4",
"v0.6.3",
"v0.6.2",
"v0.6.1",
"v0.5.6",
"v0.5.5",
"v0.5.4",
"v0.5.3",
"v0.5.2",
"v0.5.1",
"v0.5.0",
"v0.4.5",
"v0.4.4",
"v0.4.3",
"v0.4.2",
"v0.4.1",
"v0.4.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-37620.json"
}
},
{
"ranges": [
{
"repo": "https://github.com/terser/html-minifier-terser",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "e2bc1937d17807310cc8f674a9a22b4cb96cd657"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:terser:html-minifier-terser:*:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "0"
},
{
"last_affected": "7.2.0"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v7.2.0",
"v7.1.0",
"v7.0.0",
"v7.0.0-beta.0",
"v7.0.0-alpha.2",
"v7.0.0-alpha.1",
"v7.0.0-alpha.0",
"v6.1.0",
"v6.0.2",
"v6.0.1",
"v6.0.0",
"v5.1.1",
"v5.1.0",
"v5.0.5",
"v5.0.4",
"v5.0.3",
"v5.0.2",
"v5.0.1",
"v5.0.0",
"v4.0.0",
"v3.5.21",
"v3.5.20",
"v3.5.19",
"v3.5.18",
"v3.5.17",
"v3.5.16",
"v3.5.15",
"v3.5.14",
"v3.5.13",
"v3.5.12",
"v3.5.11",
"v3.5.10",
"v3.5.9",
"v3.5.8",
"v3.5.7",
"v3.5.6",
"v3.5.5",
"v3.5.4",
"v3.5.3",
"v3.5.2",
"v3.5.1",
"v3.5.0",
"v3.4.4",
"v3.4.3",
"v3.4.2",
"v3.4.1",
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"v3.3.3",
"v3.3.2",
"v3.3.1",
"v3.3.0",
"v3.2.3",
"v3.2.0",
"v3.1.1",
"v3.1.0",
"v3.0.3",
"v3.0.2",
"v3.0.1",
"v3.0.0",
"v2.1.7",
"v2.1.6",
"v2.1.5",
"v2.1.4",
"v2.1.3",
"v2.1.2",
"v2.1.1",
"v2.1.0",
"v2.0.0",
"v1.5.0",
"v1.4.0",
"v1.3.1",
"v1.3.0",
"v1.2.0",
"v1.1.1",
"v1.0.1",
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"v0.8.1",
"v0.8.0",
"v0.7.2",
"v0.7.1",
"v0.7.0",
"v0.6.9",
"v0.6.8",
"v0.6.7",
"v0.6.6",
"v0.6.5",
"v0.6.4",
"v0.6.3",
"v0.6.2",
"v0.6.1",
"v0.5.6",
"v0.5.5",
"v0.5.4",
"v0.5.3",
"v0.5.2",
"v0.5.1",
"v0.5.0",
"v0.4.5",
"v0.4.4",
"v0.4.3",
"v0.4.2",
"v0.4.1",
"v0.4.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-37620.json"
}
}
],
"modified": "2026-10-28T02:30:22.223638251Z",
"provider": "osv",
"references": [
"https://github.com/kangax/html-minifier/blob/51ce10f4daedb1de483ffbcccecc41be1c873da2/src/htmlminifier.js#L1338",
"https://github.com/kangax/html-minifier/blob/51ce10f4daedb1de483ffbcccecc41be1c873da2/src/htmlminifier.js#L294",
"https://security.snyk.io/vuln/SNYK-JS-HTMLMINIFIER-3091181",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/37xxx/CVE-2022-37620.json",
"https://nvd.nist.gov/vuln/detail/CVE-2022-37620",
"https://github.com/kangax/html-minifier/issues/1135"
],
"provider_metadata": {
"cna_assigner": "mitre",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/37xxx/CVE-2022-37620.json"
}
},
"related_cves": [
{
"value": "CVE-2022-37620",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 488400,
"published_at": "2022-10-31T00:00:00+00:00"
}