High
Security advisory
In archive/zip in Go before 1.16.8 and 1.17.x before 1.17.1, a crafted archive header (falsely designating that many files are present) can cause a NewReader or OpenReader panic. NOTE: this issue exists because of an incomplete fix for CVE-2021-33196.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-39293
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 07:06 UTC · Revision 1
Source evidence
In archive/zip in Go before 1.16.8 and 1.17.x before 1.17.1, a crafted archive header (falsely designating that many files are present) can cause a NewReader or OpenReader panic. NOTE: this issue exists because of an incomplete fix for CVE-2021-33196.
osv:CVE-2021-39293
Complete source record
{
"id": "7f8064d18461c7189cee54f871ff3681180dd926e8baab9882326e853224b7d8",
"url": "https://osv.dev/vulnerability/CVE-2021-39293",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-39293",
"summary": "In archive/zip in Go before 1.16.8 and 1.17.x before 1.17.1, a crafted archive header (falsely designating that many files are present) can cause a NewReader or OpenReader panic. NOTE: this issue exists because of an incomplete fix for CVE-2021-33196.",
"evidence": "osv:CVE-2021-39293",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2021-39293",
"aliases": [
"BIT-golang-2021-39293",
"CVE-2021-39293",
"GO-2022-0273"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/golang/go",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "170a72e58bd128b421f4b3974fe2a37fd035efdf"
},
{
"fixed": "21a4e67ad58e3c4a7c5254f60cda5be5c3c450ff"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "1.16.8"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.17.0"
},
{
"fixed": "1.17.1"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"go1.17",
"go1.17rc2",
"go1.16.7",
"go1.16.6",
"go1.17rc1",
"go1.16.5",
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],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-39293.json"
}
}
],
"modified": "2026-10-24T10:30:48.663620363Z",
"provider": "osv",
"references": [
"https://cert-portal.siemens.com/productcert/pdf/ssa-222547.pdf",
"https://lists.debian.org/debian-lts-announce/2023/04/msg00021.html",
"https://security.netapp.com/advisory/ntap-20220217-0009/",
"https://groups.google.com/g/golang-announce/c/dx9d7IOseHw"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2021-39293",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 436819,
"published_at": "2022-01-24T01:15:07.92+00:00"
}