Medium
Security advisory
Incorrect parsing of certain JSON input may result in js-bson not correctly serializing BSON. This may cause unexpected application behaviour including data disclosure. This issue affects: MongoDB Inc. js-bson library version 1.1.3 and prior to.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2019-2391
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 11:03 UTC · Revision 1
Source evidence
Incorrect parsing of certain JSON input may result in js-bson not correctly serializing BSON. This may cause unexpected application behaviour including data disclosure. This issue affects: MongoDB Inc. js-bson library version 1.1.3 and prior to.
osv:CVE-2019-2391
Complete source record
{
"id": "750ea55aa1fdfc4bc39fd5df2b019e0d123314bc400d8880c06d9cb0cfe1f71a",
"url": "https://osv.dev/vulnerability/CVE-2019-2391",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2019-2391",
"summary": "Incorrect parsing of certain JSON input may result in js-bson not correctly serializing BSON. This may cause unexpected application behaviour including data disclosure. This issue affects: MongoDB Inc. js-bson library version 1.1.3 and prior to.",
"evidence": "osv:CVE-2019-2391",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2019-2391",
"aliases": [
"CVE-2019-2391",
"GHSA-4jwp-vfvf-657p"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/mongodb/js-bson",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "6e782dac6a110509097077ee5edd311977f32522"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:mongodb:js-bson:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "1.1.4"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "6e782dac6a110509097077ee5edd311977f32522"
}
],
"source": "REFERENCES_TAG",
"original_tag": "v1.1.4"
}
]
}
}
],
"versions": [
"v1.1.3",
"v1.1.2",
"v1.1.0",
"v1.0.9",
"v1.0.8",
"v1.0.7",
"v1.0.6",
"v1.0.5",
"V1.0.4",
"V1.0.3",
"V1.0.2",
"V1.0.1",
"V1.0.0",
"V0.5.7",
"V0.5.6",
"V0.5.5",
"V0.5.4",
"V0.5.3",
"V0.5.2",
"V0.5.1",
"V0.5.0",
"V0.4.23",
"V0.4.22",
"V0.4.21",
"V0.4.20",
"V0.4.19",
"V0.4.18",
"V0.4.17",
"V0.4.16",
"V0.4.15",
"V0.4.14",
"V0.4.13",
"V0.4.12",
"V0.4.11",
"V0.4.10",
"V0.4.9",
"V0.4.8",
"V0.2.21",
"V0.4.7",
"V0.4.6",
"V0.4.5",
"V0.4.4",
"V0.4.3",
"V0.4.2",
"V0.4.1",
"V0.4.0",
"V0.3.2",
"V0.3.1",
"V0.3.0",
"V0.2.20",
"V0.2.19",
"V0.2.18",
"V0.2.17",
"V0.2.16",
"V0.2.15",
"V0.2.14",
"V0.2.13",
"V0.2.11",
"V0.2.10",
"V0.2.9",
"V0.2.8",
"V0.2.6",
"V0.2.5",
"V0.2.2",
"V0.2.1",
"V0.2.0",
"V0.1.9",
"V0.1.4",
"V0.1.2",
"V0.1.0",
"V0.0.9",
"V0.0.8",
"V0.0.6",
"V0.0.5"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-2391.json"
}
}
],
"modified": "2026-10-20T10:52:41.008684306Z",
"provider": "osv",
"references": [
"https://github.com/mongodb/js-bson/releases/tag/v1.1.4"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2019-2391",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 383736,
"published_at": "2020-03-31T14:15:14.173+00:00"
}