Medium
Security advisory
baseline-browser-mapping 2.x before 2.11.0 calls process.exit() instead of throwing on invalid or conflicting input parameters, and can trigger immediate process termination, causing denial of service.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-45819
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 4 Nov 2026, 15:07 UTC · Revision 1
Source evidence
baseline-browser-mapping 2.x before 2.11.0 calls process.exit() instead of throwing on invalid or conflicting input parameters, and can trigger immediate process termination, causing denial of service.
osv:CVE-2026-45819
Complete source record
{
"id": "fb7f1e4667fae5eafa88fe6e846f78628051fca84427d665a8f26005ff4d994f",
"url": "https://osv.dev/vulnerability/CVE-2026-45819",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2026-45819",
"summary": "baseline-browser-mapping 2.x before 2.11.0 calls process.exit() instead of throwing on invalid or conflicting input parameters, and can trigger immediate process termination, causing denial of service.",
"evidence": "osv:CVE-2026-45819",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2026-45819",
"aliases": [
"CVE-2026-45819",
"GHSA-w5vr-8v7q-w6rv"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/S:N/AU:Y/R:U/V:D/RE:M/U:Amber"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/web-platform-dx/baseline-browser-mapping",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "de733e2d8959559f7bb255d5927f3afcb6f31589"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "2.0.0"
},
{
"fixed": "2.11.0"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
},
{
"range": [
{
"introduced": "2.x"
},
{
"fixed": "2.11.0"
}
],
"source": "DESCRIPTION"
}
]
}
}
],
"versions": [
"v2.10.44",
"v2.10.43",
"v2.10.42",
"v2.10.41",
"v2.10.40",
"v2.10.39",
"v2.10.38",
"v2.10.37",
"v2.10.36",
"v2.10.35",
"v2.10.34",
"v2.10.33",
"v2.10.32",
"v2.10.31",
"v2.10.30",
"v2.10.29",
"v2.10.28",
"v2.10.27",
"v2.10.26",
"v2.10.25",
"v2.10.24",
"v2.10.23",
"v2.10.22",
"v2.10.21",
"v2.10.20",
"v2.10.19",
"v2.10.18",
"v2.10.17",
"v2.10.16",
"v2.10.15",
"v2.10.14",
"v2.10.13",
"v2.10.12",
"v2.10.11",
"v2.10.10",
"v2.10.9",
"v2.10.8",
"v2.10.7",
"v2.10.6",
"v2.10.5",
"v2.10.4",
"v2.10.3",
"v2.10.2",
"v2.10.1",
"v2.9.24",
"v2.9.23",
"v2.9.22",
"v2.9.21",
"v2.9.20",
"v2.9.19",
"v2.9.18",
"v2.9.17",
"v2.9.16",
"v2.9.15",
"v2.9.14",
"v2.9.13",
"v2.9.12",
"v2.9.11",
"v2.9.10",
"v2.9.9",
"v2.9.8",
"v2.9.7",
"v2.9.6",
"v2.9.5",
"v2.9.4",
"v2.9.3",
"v2.9.2",
"v2.9.1",
"v2.9.0",
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"v2.8.19",
"v2.8.18",
"v2.8.17",
"v2.8.16",
"v2.8.15",
"v2.8.14",
"v2.8.13",
"v2.8.12",
"v2.8.11",
"v2.8.10",
"v2.8.9",
"v2.8.8",
"v2.8.7",
"v2.8.6",
"v2.8.5",
"v2.8.3",
"v2.8.2",
"v2.8.1",
"v2.8.0",
"v2.7.4",
"v2.7.3",
"v2.7.2",
"v2.7.1",
"v2.7.0",
"v2.6.7",
"v2.6.6",
"v2.6.5",
"v2.6.4",
"v2.6.3",
"v2.6.2",
"v2.6.1",
"v2.5.9",
"v2.5.8",
"v2.5.7",
"v2.5.6",
"v2.5.5",
"v2.5.4",
"v2.5.3",
"v2.5.2",
"v2.5.1",
"v2.5.0",
"v2.4.5",
"v2.4.4",
"v2.4.3",
"v2.4.2",
"v2.4.1",
"v2.4.0",
"v2.3.0",
"v2.2.2",
"v2.2.1",
"v2.2.0",
"v2.1.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-45819.json"
}
}
],
"modified": "2026-10-28T02:30:36.751457867Z",
"provider": "osv",
"references": [
"https://github.com/web-platform-dx/baseline-browser-mapping/blob/b7881aa61c8a057e24468ab5ee18c5ecedbbf691/src/index.ts#L142",
"https://www.npmjs.com/package/baseline-browser-mapping",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45819.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-45819",
"https://github.com/web-platform-dx/baseline-browser-mapping/pull/137/changes#diff-7ae45ad102eab3b6d7e7896acd08c427a9b25b346470d7bc6507b6481575d519"
],
"provider_metadata": {
"cwe_ids": [
"CWE-705",
"CWE-755"
],
"cna_assigner": "seal",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45819.json"
}
},
"related_cves": [
{
"value": "CVE-2026-45819",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 504015,
"published_at": "2026-08-13T11:03:42.504+00:00"
}