Medium
Security advisory
index.js in the ssri module before 5.2.2 for Node.js is prone to a regular expression denial of service vulnerability in strict mode functionality via a long base64 hash string.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2018-7651
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 08:52 UTC · Revision 1
Source evidence
index.js in the ssri module before 5.2.2 for Node.js is prone to a regular expression denial of service vulnerability in strict mode functionality via a long base64 hash string.
osv:CVE-2018-7651
Complete source record
{
"id": "634216ca57ba2100e8383342fd0d2183db82c50a2eb27e7772bbaf18283acadc",
"url": "https://osv.dev/vulnerability/CVE-2018-7651",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2018-7651",
"summary": "index.js in the ssri module before 5.2.2 for Node.js is prone to a regular expression denial of service vulnerability in strict mode functionality via a long base64 hash string.",
"evidence": "osv:CVE-2018-7651",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2018-7651",
"aliases": [
"CVE-2018-7651",
"GHSA-325j-24f4-qv5x"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/npm/ssri",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "0fb45e7e0eba615bf0080bf350c95e19412ff9a9"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:ssri_project:ssri:*:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "5.2.2"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v5.2.1",
"v5.2.0",
"v5.1.0",
"v5.0.0",
"v4.1.6",
"v4.1.5",
"v4.1.4",
"v4.1.3",
"v4.1.2",
"v4.1.1",
"v4.1.0",
"v4.0.0",
"v3.0.2",
"v3.0.1",
"v3.0.0",
"v2.0.0",
"v1.0.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-7651.json"
}
},
{
"ranges": [
{
"repo": "https://github.com/zkat/ssri",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "0fb45e7e0eba615bf0080bf350c95e19412ff9a9"
},
{
"fixed": "d0ebcdc22cb5c8f47f89716d08b3518b2485d65d"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:ssri_project:ssri:*:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "5.2.2"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "d0ebcdc22cb5c8f47f89716d08b3518b2485d65d"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
"v5.2.1",
"v5.2.0",
"v5.1.0",
"v5.0.0",
"v4.1.6",
"v4.1.5",
"v4.1.4",
"v4.1.3",
"v4.1.2",
"v4.1.1",
"v4.1.0",
"v4.0.0",
"v3.0.2",
"v3.0.1",
"v3.0.0",
"v2.0.0",
"v1.0.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-7651.json"
}
}
],
"modified": "2026-10-24T10:50:33.643188498Z",
"provider": "osv",
"references": [
"https://github.com/zkat/ssri/issues/10",
"https://nodesecurity.io/advisories/565",
"https://github.com/zkat/ssri/commit/d0ebcdc22cb5c8f47f89716d08b3518b2485d65d"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2018-7651",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 442291,
"published_at": "2018-03-04T01:29:00.347+00:00"
}