CriticalFix available
mingw-w64 — security advisory
Mingw-w64 version 5.0.3 and earlier, 5.0.4, 6.0.0 and 7.0.0 contains an Improper Null Termination (CWE-170) vulnerability in mingw-w64-crt (libc)->(v)snprintf that can result in The bug may be used to corrupt subsequent string functions. This attack appear to be exploitable via Depending on the usage, worst case: network.
- Products
- mingw-w64
- Affected versions
- Not specified
- Fixed versions
- 8.0.0-1
- CVEs
- CVE-2018-1000101
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 00:24 UTC · Revision 1
Source evidence
Mingw-w64 version 5.0.3 and earlier, 5.0.4, 6.0.0 and 7.0.0 contains an Improper Null Termination (CWE-170) vulnerability in mingw-w64-crt (libc)->(v)snprintf that can result in The bug may be used to corrupt subsequent string functions. This attack appear to be exploitable via Depending on the usage, worst case: network.
osv:DEBIAN-CVE-2018-1000101
mingw-w64
Fixed versions: 8.0.0-1
mingw-w64
Fixed versions: 8.0.0-1
mingw-w64
Fixed versions: 8.0.0-1
Complete source record
{
"id": "bc2403b497bf114c16cbc166ed0797b030e2aef2c0262063c2572f38ea9b4f1e",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2018-1000101",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2018-1000101",
"summary": "Mingw-w64 version 5.0.3 and earlier, 5.0.4, 6.0.0 and 7.0.0 contains an Improper Null Termination (CWE-170) vulnerability in mingw-w64-crt (libc)->(v)snprintf that can result in The bug may be used to corrupt subsequent string functions. This attack appear to be exploitable via Depending on the usage, worst case: network.",
"evidence": "osv:DEBIAN-CVE-2018-1000101",
"products": [
{
"name": {
"value": "mingw-w64",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.0.0-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "mingw-w64",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.0.0-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "mingw-w64",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.0.0-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "critical",
"structured": {
"id": "DEBIAN-CVE-2018-1000101",
"aliases": [
"DEBIAN-CVE-2018-1000101"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
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],
"package": {
"name": "mingw-w64",
"purl": "pkg:deb/debian/mingw-w64?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-1000101.json"
},
"ecosystem_specific": {
"urgency": "low"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
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},
{
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}
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}
],
"package": {
"name": "mingw-w64",
"purl": "pkg:deb/debian/mingw-w64?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-1000101.json"
},
"ecosystem_specific": {
"urgency": "low"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.0.0-1"
}
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}
],
"package": {
"name": "mingw-w64",
"purl": "pkg:deb/debian/mingw-w64?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-1000101.json"
},
"ecosystem_specific": {
"urgency": "low"
}
}
],
"modified": "2026-10-23T18:03:17.532918121Z",
"provider": "osv",
"upstream": [
"CVE-2018-1000101"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2018-1000101"
]
},
"related_cves": [
{
"value": "CVE-2018-1000101",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 421031,
"published_at": "2018-03-06T17:29:00.26+00:00"
}