High
Security advisory
The is-my-json-valid package before 2.12.4 for Node.js has an incorrect exports['utc-millisec'] regular expression, which allows remote attackers to cause a denial of service (blocked event loop) via a crafted string.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2016-2537
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 09:39 UTC · Revision 1
Source evidence
The is-my-json-valid package before 2.12.4 for Node.js has an incorrect exports['utc-millisec'] regular expression, which allows remote attackers to cause a denial of service (blocked event loop) via a crafted string.
osv:CVE-2016-2537
Complete source record
{
"id": "a12f9d2b57c0a818417929e8b83adf391250487b12db41ad6da148d930c3d16f",
"url": "https://osv.dev/vulnerability/CVE-2016-2537",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2016-2537",
"summary": "The is-my-json-valid package before 2.12.4 for Node.js has an incorrect exports['utc-millisec'] regular expression, which allows remote attackers to cause a denial of service (blocked event loop) via a crafted string.",
"evidence": "osv:CVE-2016-2537",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2016-2537",
"aliases": [
"CVE-2016-2537",
"GHSA-f522-ffg8-j8r6"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/mafintosh/is-my-json-valid",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "822c5815f7ae4c50ed0c71451cb4dc3ea177be14"
},
{
"fixed": "eca4beb21e61877d76fdf6bea771f72f39544d9b"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:is_my_json_valid_project:is_my_json_valid:*:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "0"
},
{
"last_affected": "2.12.3"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "eca4beb21e61877d76fdf6bea771f72f39544d9b"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
"v1.4.1",
"v2.12.3",
"v2.12.2",
"v2.12.1",
"v2.12.0",
"v2.11.0",
"v2.10.1",
"v2.10.0",
"v2.9.4",
"v2.9.3",
"v2.9.2",
"v2.9.1",
"v2.9.0",
"v2.8.0",
"v2.7.0",
"v2.6.0",
"v2.5.0",
"v2.4.1",
"v2.4.0",
"v2.3.0",
"v2.2.1",
"v2.2.0",
"v2.1.0",
"v2.0.3",
"v2.0.2",
"v2.0.1",
"v2.0.0",
"v1.4.0",
"v1.3.9",
"v1.3.8",
"v1.3.7",
"v1.3.6",
"v1.3.5",
"v1.3.4",
"v1.3.3",
"v1.3.2",
"v1.3.1",
"v1.3.0",
"v1.2.0",
"v1.1.0",
"v1.0.1",
"v1.0.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-2537.json"
}
}
],
"modified": "2026-10-20T10:47:26.262529251Z",
"provider": "osv",
"references": [
"https://nodesecurity.io/advisories/76",
"https://github.com/mafintosh/is-my-json-valid/commit/eca4beb21e61877d76fdf6bea771f72f39544d9b"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2016-2537",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 379399,
"published_at": "2016-02-23T05:59:01.217+00:00"
}