High
Security advisory
In NTFS-3G versions < 2021.8.22, when a specially crafted unicode string is supplied in an NTFS image a heap buffer overflow can occur and allow for code execution.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-33285, CVE-2021-33286, CVE-2021-33287, CVE-2021-33289, CVE-2021-35266, CVE-2021-35267, CVE-2021-35268, CVE-2021-39251, CVE-2021-39252, CVE-2021-39253, CVE-2021-39254, CVE-2021-39255, CVE-2021-39256, CVE-2021-39257, CVE-2021-39258, CVE-2021-39259, CVE-2021-39260, CVE-2021-39261, CVE-2021-39262, CVE-2021-39263
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 11:47 UTC · Revision 1
Source evidence
In NTFS-3G versions < 2021.8.22, when a specially crafted unicode string is supplied in an NTFS image a heap buffer overflow can occur and allow for code execution.
osv:CVE-2021-33286
Complete source record
{
"id": "e52ac35aea9f974f175d2f6dff617cc9e2c89946312a79b210fdd0d4f481c717",
"url": "https://osv.dev/vulnerability/CVE-2021-33286",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-33286",
"summary": "In NTFS-3G versions < 2021.8.22, when a specially crafted unicode string is supplied in an NTFS image a heap buffer overflow can occur and allow for code execution.",
"evidence": "osv:CVE-2021-33286",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2021-33286",
"aliases": [
"CVE-2021-33285",
"CVE-2021-33286",
"CVE-2021-33287",
"CVE-2021-33289",
"CVE-2021-35266",
"CVE-2021-35267",
"CVE-2021-35268",
"CVE-2021-39251",
"CVE-2021-39252",
"CVE-2021-39253",
"CVE-2021-39254",
"CVE-2021-39255",
"CVE-2021-39256",
"CVE-2021-39257",
"CVE-2021-39258",
"CVE-2021-39259",
"CVE-2021-39260",
"CVE-2021-39261",
"CVE-2021-39262",
"CVE-2021-39263",
"GHSA-q759-8j5v-q5jp"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/tuxera/ntfs-3g",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "31ac7e4f0fc07beeca455eba6a8f02abd7e4d76f"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:tuxera:ntfs-3g:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "2021.8.22"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"2021.8.14",
"2021.5.19",
"2017.3.23",
"2017.2.15",
"2016.2.22",
"2016.2.15",
"2015.3.14",
"2015.3.13",
"2015.3.5",
"2014.2.15",
"v2013_1_13",
"v2012_1_15",
"v2011_10_9_RC",
"v2011_4_12",
"v2011_4_11",
"v2011_4_10",
"v2011_3_28_RC",
"v2011_3_26",
"2011_3_26",
"N2010_10_2",
"N2010_8_8",
"N2010_7_23_RC",
"N2010_6_31_RC",
"N2010_6_30_RC",
"N2010_5_22",
"N2010_5_16",
"N2010_2_6",
"R2009_10_5_RC",
"N2009_10_03_104125",
"N2009_10_03_095644",
"PERMISSION_HANDLING_BASE_20070925",
"N1_913",
"N1_910_RC",
"N1_826",
"N1_810",
"N1_710",
"N1_616",
"N1_612_RC",
"N1_516",
"N1_417",
"N1_416",
"N1_411_RC",
"N1_328",
"N1_320_RC",
"N1_0",
"N0_20070207_RC1",
"N0_20070118_BETA",
"N0_20070116_BETA",
"N0_20070102_BETA",
"N0_20061218_BETA",
"N0_20061212_BETA",
"N2006_11_14_220946",
"N0_20061115_BETA",
"N2006_11_14_010037",
"N2006_11_11_220751",
"N2006_11_11_013125",
"N2006_11_11_010308",
"N2006_11_11_005720",
"N2006_11_08_233131",
"N2006_11_08_220332",
"N2006_11_07_011225",
"N0_20061031_BETA",
"start"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-33286.json"
}
}
],
"modified": "2026-10-20T10:54:43.439382664Z",
"provider": "osv",
"references": [
"https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-q759-8j5v-q5jp",
"https://lists.debian.org/debian-lts-announce/2021/11/msg00013.html",
"https://security.gentoo.org/glsa/202301-01",
"https://www.debian.org/security/2021/dsa-4971"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
"cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*",
"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
],
"vendor_product": "debian:debian_linux",
"extracted_events": [
{
"range": [
{
"introduced": "9.0"
},
{
"last_affected": "9.0"
},
{
"introduced": "10.0"
},
{
"last_affected": "10.0"
},
{
"introduced": "11.0"
},
{
"last_affected": "11.0"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2021-33285",
"evidence": "/aliases"
},
{
"value": "CVE-2021-33286",
"evidence": "/id"
},
{
"value": "CVE-2021-33287",
"evidence": "/aliases"
},
{
"value": "CVE-2021-33289",
"evidence": "/aliases"
},
{
"value": "CVE-2021-35266",
"evidence": "/aliases"
},
{
"value": "CVE-2021-35267",
"evidence": "/aliases"
},
{
"value": "CVE-2021-35268",
"evidence": "/aliases"
},
{
"value": "CVE-2021-39251",
"evidence": "/aliases"
},
{
"value": "CVE-2021-39252",
"evidence": "/aliases"
},
{
"value": "CVE-2021-39253",
"evidence": "/aliases"
},
{
"value": "CVE-2021-39254",
"evidence": "/aliases"
},
{
"value": "CVE-2021-39255",
"evidence": "/aliases"
},
{
"value": "CVE-2021-39256",
"evidence": "/aliases"
},
{
"value": "CVE-2021-39257",
"evidence": "/aliases"
},
{
"value": "CVE-2021-39258",
"evidence": "/aliases"
},
{
"value": "CVE-2021-39259",
"evidence": "/aliases"
},
{
"value": "CVE-2021-39260",
"evidence": "/aliases"
},
{
"value": "CVE-2021-39261",
"evidence": "/aliases"
},
{
"value": "CVE-2021-39262",
"evidence": "/aliases"
},
{
"value": "CVE-2021-39263",
"evidence": "/aliases"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 386001,
"published_at": "2021-09-07T15:15:07.597+00:00"
}