Critical
Security advisory
The package zip-local before 0.3.5 are vulnerable to Arbitrary File Write via Archive Extraction (Zip Slip) which can lead to an extraction of a crafted file outside the intended extraction directory.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-23484
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 11:40 UTC · Revision 1
Source evidence
The package zip-local before 0.3.5 are vulnerable to Arbitrary File Write via Archive Extraction (Zip Slip) which can lead to an extraction of a crafted file outside the intended extraction directory.
osv:CVE-2021-23484
Complete source record
{
"id": "9b0352738e7208c7038deea72a2720b6aeb07033ca3fa51d2b76a4ec9c37e15f",
"url": "https://osv.dev/vulnerability/CVE-2021-23484",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-23484",
"summary": "The package zip-local before 0.3.5 are vulnerable to Arbitrary File Write via Archive Extraction (Zip Slip) which can lead to an extraction of a crafted file outside the intended extraction directory.",
"evidence": "osv:CVE-2021-23484",
"products": [],
"severity": "critical",
"structured": {
"id": "CVE-2021-23484",
"aliases": [
"CVE-2021-23484",
"GHSA-wxj7-97fp-j53j",
"SNYK-JS-ZIPLOCAL-2327477"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/mostafa-samir/zip-local",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "949446a95a660c0752b1db0c654f0fd619ae6085"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"fixed": "949446a95a660c0752b1db0c654f0fd619ae6085"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-23484.json"
}
}
],
"modified": "2026-10-20T10:54:32.613521300Z",
"provider": "osv",
"references": [
"https://github.com/Mostafa-Samir/zip-local/blob/master/main.js%23L365",
"https://github.com/Mostafa-Samir/zip-local/commit/949446a95a660c0752b1db0c654f0fd619ae6085",
"https://snyk.io/vuln/SNYK-JS-ZIPLOCAL-2327477"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:a:zip-local_project:zip-local:*:*:*:*:*:node.js:*:*"
],
"vendor_product": "zip-local_project:zip-local",
"extracted_events": [
{
"range": [
{
"fixed": "0.3.5"
}
],
"source": "CPE_RANGE"
}
]
},
{
"extracted_events": [
{
"range": [
{
"fixed": "0.3.5"
}
],
"source": "DESCRIPTION"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2021-23484",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 385536,
"published_at": "2022-01-28T22:15:09.01+00:00"
}