High
Security advisory
An exploitable code execution vulnerability exists in the quota file functionality of E2fsprogs 1.45.3. A specially crafted ext4 partition can cause an out-of-bounds write on the heap, resulting in code execution. An attacker can corrupt a partition to trigger this vulnerability.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2019-5094
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 06:35 UTC · Revision 1
Source evidence
An exploitable code execution vulnerability exists in the quota file functionality of E2fsprogs 1.45.3. A specially crafted ext4 partition can cause an out-of-bounds write on the heap, resulting in code execution. An attacker can corrupt a partition to trigger this vulnerability.
osv:CVE-2019-5094
Complete source record
{
"id": "1161c12c2a7e766b817a02977446c4609f947691da8a11855c67c91a1f46dac7",
"url": "https://osv.dev/vulnerability/CVE-2019-5094",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2019-5094",
"summary": "An exploitable code execution vulnerability exists in the quota file functionality of E2fsprogs 1.45.3. A specially crafted ext4 partition can cause an out-of-bounds write on the heap, resulting in code execution. An attacker can corrupt a partition to trigger this vulnerability.",
"evidence": "osv:CVE-2019-5094",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2019-5094",
"aliases": [
"CVE-2019-5094"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/tytso/e2fsprogs",
"type": "GIT",
"events": [
{
"introduced": "4e52870eeb08ed7532bf4fd3d5cb1538f714bdc8"
},
{
"last_affected": "1f56fb81236fe3e25e2c60c1e89ea0aa7cb36260"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:e2fsprogs_project:e2fsprogs:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.43.3"
},
{
"last_affected": "1.45.3"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v1.45.3",
"v1.45.2",
"v1.45.1",
"v1.45.1-rc1",
"v1.45.0",
"v1.44.3",
"debian/1.44.3-1",
"v1.44.3-rc2",
"v1.44.3-rc1",
"v1.44.2",
"v1.44.1",
"v1.44.0",
"v1.44.0-rc2",
"v1.44.0-rc1",
"v1.43.4",
"1.43.4",
"v1.43.3"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-5094.json"
}
}
],
"modified": "2026-10-24T10:30:41.863015632Z",
"provider": "osv",
"references": [
"https://cert-portal.siemens.com/productcert/html/ssa-398330.html",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2AKETJ6BREDUHRWQTV35SPGG5C6H7KSI/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6DOBCYQKCTTWXBLMUPJ5TX3FY7JNCOKY/",
"https://lists.debian.org/debian-lts-announce/2019/09/msg00029.html",
"https://seclists.org/bugtraq/2019/Sep/58",
"https://security.gentoo.org/glsa/202003-05",
"https://security.netapp.com/advisory/ntap-20200115-0002/",
"https://usn.ubuntu.com/4142-1/",
"https://usn.ubuntu.com/4142-2/",
"https://www.debian.org/security/2019/dsa-4535",
"https://talosintelligence.com/vulnerability_reports/TALOS-2019-0887"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*"
],
"vendor_product": "canonical:ubuntu_linux",
"extracted_events": [
{
"range": [
{
"introduced": "12.04"
},
{
"last_affected": "12.04"
},
{
"introduced": "14.04"
},
{
"last_affected": "14.04"
},
{
"introduced": "16.04"
},
{
"last_affected": "16.04"
},
{
"introduced": "18.04"
},
{
"last_affected": "18.04"
},
{
"introduced": "19.04"
},
{
"last_affected": "19.04"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
],
"vendor_product": "debian:debian_linux",
"extracted_events": [
{
"range": [
{
"introduced": "8.0"
},
{
"last_affected": "8.0"
},
{
"introduced": "9.0"
},
{
"last_affected": "9.0"
},
{
"introduced": "10.0"
},
{
"last_affected": "10.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*",
"cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*"
],
"vendor_product": "fedoraproject:fedora",
"extracted_events": [
{
"range": [
{
"introduced": "30"
},
{
"last_affected": "30"
},
{
"introduced": "31"
},
{
"last_affected": "31"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2019-5094",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 435221,
"published_at": "2019-09-24T22:15:13.247+00:00"
}