High
Security advisory
Accepting arbitrary Subject Alternative Name (SAN) types, unless a PKI is specifically defined to use a particular SAN type, can result in bypassing name-constrained intermediates. Node.js < 12.22.9, < 14.18.3, < 16.13.2, and < 17.3.1 was accepting URI SAN types, which PKIs are often not defined to use. Additionally, when a protocol allows URI SANs, Node.js did not match the URI correctly.Versions of Node.js with the fix for this disable the URI SAN type when checking a certificate against a hostname. This behavior can be reverted through the --security-revert command-line option.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-44531
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 08:01 UTC · Revision 1
Source evidence
Accepting arbitrary Subject Alternative Name (SAN) types, unless a PKI is specifically defined to use a particular SAN type, can result in bypassing name-constrained intermediates. Node.js < 12.22.9, < 14.18.3, < 16.13.2, and < 17.3.1 was accepting URI SAN types, which PKIs are often not defined to use. Additionally, when a protocol allows URI SANs, Node.js did not match the URI correctly.Versions of Node.js with the fix for this disable the URI SAN type when checking a certificate against a hostname. This behavior can be reverted through the --security-revert command-line option.
osv:CVE-2021-44531
Complete source record
{
"id": "f05c936dbe859e33840d7f5b911af27908913e78de439be280fc9b50537eb8fd",
"url": "https://osv.dev/vulnerability/CVE-2021-44531",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-44531",
"summary": "Accepting arbitrary Subject Alternative Name (SAN) types, unless a PKI is specifically defined to use a particular SAN type, can result in bypassing name-constrained intermediates. Node.js < 12.22.9, < 14.18.3, < 16.13.2, and < 17.3.1 was accepting URI SAN types, which PKIs are often not defined to use. Additionally, when a protocol allows URI SANs, Node.js did not match the URI correctly.Versions of Node.js with the fix for this disable the URI SAN type when checking a certificate against a hostname. This behavior can be reverted through the --security-revert command-line option.",
"evidence": "osv:CVE-2021-44531",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2021-44531",
"aliases": [
"BIT-node-2021-44531",
"BIT-node-min-2021-44531",
"CVE-2021-44531"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N"
}
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],
"modified": "2026-10-24T10:31:01.784740717Z",
"provider": "osv",
"references": [
"https://nodejs.org/en/blog/vulnerability/jan-2022-security-releases/",
"https://security.netapp.com/advisory/ntap-20220325-0007/",
"https://www.debian.org/security/2022/dsa-5170",
"https://www.oracle.com/security-alerts/cpujul2022.html",
"https://hackerone.com/reports/1429694",
"https://www.oracle.com/security-alerts/cpuapr2022.html"
],
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},
"related_cves": [
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"value": "CVE-2021-44531",
"evidence": "/id"
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],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 439877,
"published_at": "2022-02-24T19:15:09.313+00:00"
}