High
mkvtoolnix — security advisory
A use-after-free vulnerability exists in the way MKVToolNix MKVINFO v25.0.0 handles the MKV (matroska) file format. A specially crafted MKV file can cause arbitrary code execution in the context of the current user.
- Products
- mkvtoolnix
- Affected versions
- 100.0-2, 15.0.0-1, 15.0.0-1build1, 17.0.0-2, 18.0.0-1, 19.0.0-1, 37.0.0-1build1, 38.0.0-1, 39.0.0-1, 40.0.0-1, 40.0.0-3, 41.0.0-1, 42.0.0-1, 43.0.0-1, 43.0.0-1ubuntu1, 43.0.0-1ubuntu2, 44.0.0-1ubuntu1, 45.0.0-1ubuntu1, 45.0.0-2, 60.0.0-2, 62.0.0-1build1, 63.0.0-1, 64.0.0-1, 65.0.0-1, 78.0-2, 79.0-1, 8.2.0-2, 8.5.1-1, 8.5.2-1, 8.6.0-1, 8.6.1-1, 8.7.0-1, 8.8.0-1, 80.0-1, 81.0-1, 81.0-1build1, 82.0-1, 82.0-1build1, 82.0-1build2, 90.0-1build1, 92.0-1, 92.0-1build2, 94.0-1, 95.0-1, 96.0-1, 97.0-1, 97.0-1build1, 98.0-1, 99.0-1
- Fixed versions
- Not specified
- CVEs
- CVE-2018-4022
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 00:29 UTC · Revision 1
Source evidence
A use-after-free vulnerability exists in the way MKVToolNix MKVINFO v25.0.0 handles the MKV (matroska) file format. A specially crafted MKV file can cause arbitrary code execution in the context of the current user.
osv:UBUNTU-CVE-2018-4022
mkvtoolnix
Fixed versions: Not specified
mkvtoolnix
Fixed versions: Not specified
mkvtoolnix
Fixed versions: Not specified
mkvtoolnix
Fixed versions: Not specified
mkvtoolnix
Fixed versions: Not specified
mkvtoolnix
Fixed versions: Not specified
mkvtoolnix
Fixed versions: Not specified
mkvtoolnix
Fixed versions: Not specified
Complete source record
{
"id": "3737541194005d95efe0ebf3560f7311d3d7074b7f7a61353a74183232825a87",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2018-4022",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2018-4022",
"summary": "A use-after-free vulnerability exists in the way MKVToolNix MKVINFO v25.0.0 handles the MKV (matroska) file format. A specially crafted MKV file can cause arbitrary code execution in the context of the current user.",
"evidence": "osv:UBUNTU-CVE-2018-4022",
"products": [
{
"name": {
"value": "mkvtoolnix",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "8.2.0-2",
"evidence": "/affected/0/versions"
},
{
"value": "8.5.1-1",
"evidence": "/affected/0/versions"
},
{
"value": "8.5.2-1",
"evidence": "/affected/0/versions"
},
{
"value": "8.6.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "8.6.1-1",
"evidence": "/affected/0/versions"
},
{
"value": "8.7.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "8.8.0-1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "mkvtoolnix",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "15.0.0-1",
"evidence": "/affected/1/versions"
},
{
"value": "15.0.0-1build1",
"evidence": "/affected/1/versions"
},
{
"value": "17.0.0-2",
"evidence": "/affected/1/versions"
},
{
"value": "18.0.0-1",
"evidence": "/affected/1/versions"
},
{
"value": "19.0.0-1",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "mkvtoolnix",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "37.0.0-1build1",
"evidence": "/affected/2/versions"
},
{
"value": "38.0.0-1",
"evidence": "/affected/2/versions"
},
{
"value": "39.0.0-1",
"evidence": "/affected/2/versions"
},
{
"value": "40.0.0-1",
"evidence": "/affected/2/versions"
},
{
"value": "40.0.0-3",
"evidence": "/affected/2/versions"
},
{
"value": "41.0.0-1",
"evidence": "/affected/2/versions"
},
{
"value": "42.0.0-1",
"evidence": "/affected/2/versions"
},
{
"value": "43.0.0-1",
"evidence": "/affected/2/versions"
},
{
"value": "43.0.0-1ubuntu1",
"evidence": "/affected/2/versions"
},
{
"value": "43.0.0-1ubuntu2",
"evidence": "/affected/2/versions"
},
{
"value": "44.0.0-1ubuntu1",
"evidence": "/affected/2/versions"
},
{
"value": "45.0.0-1ubuntu1",
"evidence": "/affected/2/versions"
},
{
"value": "45.0.0-2",
"evidence": "/affected/2/versions"
}
]
},
{
"name": {
"value": "mkvtoolnix",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "60.0.0-2",
"evidence": "/affected/3/versions"
},
{
"value": "62.0.0-1build1",
"evidence": "/affected/3/versions"
},
{
"value": "63.0.0-1",
"evidence": "/affected/3/versions"
},
{
"value": "64.0.0-1",
"evidence": "/affected/3/versions"
},
{
"value": "65.0.0-1",
"evidence": "/affected/3/versions"
}
]
},
{
"name": {
"value": "mkvtoolnix",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "78.0-2",
"evidence": "/affected/4/versions"
},
{
"value": "79.0-1",
"evidence": "/affected/4/versions"
},
{
"value": "80.0-1",
"evidence": "/affected/4/versions"
},
{
"value": "81.0-1",
"evidence": "/affected/4/versions"
},
{
"value": "81.0-1build1",
"evidence": "/affected/4/versions"
},
{
"value": "82.0-1",
"evidence": "/affected/4/versions"
},
{
"value": "82.0-1build1",
"evidence": "/affected/4/versions"
},
{
"value": "82.0-1build2",
"evidence": "/affected/4/versions"
}
]
},
{
"name": {
"value": "mkvtoolnix",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "90.0-1build1",
"evidence": "/affected/5/versions"
},
{
"value": "92.0-1",
"evidence": "/affected/5/versions"
},
{
"value": "92.0-1build2",
"evidence": "/affected/5/versions"
},
{
"value": "94.0-1",
"evidence": "/affected/5/versions"
}
]
},
{
"name": {
"value": "mkvtoolnix",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "97.0-1build1",
"evidence": "/affected/6/versions"
},
{
"value": "98.0-1",
"evidence": "/affected/6/versions"
},
{
"value": "99.0-1",
"evidence": "/affected/6/versions"
},
{
"value": "100.0-2",
"evidence": "/affected/6/versions"
}
]
},
{
"name": {
"value": "mkvtoolnix",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "94.0-1",
"evidence": "/affected/7/versions"
},
{
"value": "95.0-1",
"evidence": "/affected/7/versions"
},
{
"value": "96.0-1",
"evidence": "/affected/7/versions"
},
{
"value": "97.0-1",
"evidence": "/affected/7/versions"
},
{
"value": "97.0-1build1",
"evidence": "/affected/7/versions"
}
]
}
],
"severity": "high",
"structured": {
"id": "UBUNTU-CVE-2018-4022",
"aliases": [
"UBUNTU-CVE-2018-4022"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "mkvtoolnix",
"purl": "pkg:deb/ubuntu/mkvtoolnix?arch=source&distro=xenial",
"ecosystem": "Ubuntu:16.04:LTS"
},
"versions": [
"8.2.0-2",
"8.5.1-1",
"8.5.2-1",
"8.6.0-1",
"8.6.1-1",
"8.7.0-1",
"8.8.0-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-4022.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "mkvtoolnix",
"binary_version": "8.8.0-1"
},
{
"binary_name": "mkvtoolnix-gui",
"binary_version": "8.8.0-1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "mkvtoolnix",
"purl": "pkg:deb/ubuntu/mkvtoolnix?arch=source&distro=bionic",
"ecosystem": "Ubuntu:18.04:LTS"
},
"versions": [
"15.0.0-1",
"15.0.0-1build1",
"17.0.0-2",
"18.0.0-1",
"19.0.0-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-4022.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "mkvtoolnix",
"binary_version": "19.0.0-1"
},
{
"binary_name": "mkvtoolnix-gui",
"binary_version": "19.0.0-1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "mkvtoolnix",
"purl": "pkg:deb/ubuntu/mkvtoolnix?arch=source&distro=focal",
"ecosystem": "Ubuntu:20.04:LTS"
},
"versions": [
"37.0.0-1build1",
"38.0.0-1",
"39.0.0-1",
"40.0.0-1",
"40.0.0-3",
"41.0.0-1",
"42.0.0-1",
"43.0.0-1",
"43.0.0-1ubuntu1",
"43.0.0-1ubuntu2",
"44.0.0-1ubuntu1",
"45.0.0-1ubuntu1",
"45.0.0-2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-4022.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "mkvtoolnix",
"binary_version": "45.0.0-2"
},
{
"binary_name": "mkvtoolnix-gui",
"binary_version": "45.0.0-2"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "mkvtoolnix",
"purl": "pkg:deb/ubuntu/mkvtoolnix?arch=source&distro=jammy",
"ecosystem": "Ubuntu:22.04:LTS"
},
"versions": [
"60.0.0-2",
"62.0.0-1build1",
"63.0.0-1",
"64.0.0-1",
"65.0.0-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-4022.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "mkvtoolnix",
"binary_version": "65.0.0-1"
},
{
"binary_name": "mkvtoolnix-gui",
"binary_version": "65.0.0-1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "mkvtoolnix",
"purl": "pkg:deb/ubuntu/mkvtoolnix?arch=source&distro=noble",
"ecosystem": "Ubuntu:24.04:LTS"
},
"versions": [
"78.0-2",
"79.0-1",
"80.0-1",
"81.0-1",
"81.0-1build1",
"82.0-1",
"82.0-1build1",
"82.0-1build2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-4022.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "mkvtoolnix",
"binary_version": "82.0-1build2"
},
{
"binary_name": "mkvtoolnix-gui",
"binary_version": "82.0-1build2"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "mkvtoolnix",
"purl": "pkg:deb/ubuntu/mkvtoolnix?arch=source&distro=questing",
"ecosystem": "Ubuntu:25.10"
},
"versions": [
"90.0-1build1",
"92.0-1",
"92.0-1build2",
"94.0-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-4022.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "mkvtoolnix",
"binary_version": "94.0-1"
},
{
"binary_name": "mkvtoolnix-gui",
"binary_version": "94.0-1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "mkvtoolnix",
"purl": "pkg:deb/ubuntu/mkvtoolnix?arch=source&distro=stonking",
"ecosystem": "Ubuntu:26.10"
},
"versions": [
"97.0-1build1",
"98.0-1",
"99.0-1",
"100.0-2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-4022.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "mkvtoolnix",
"binary_version": "100.0-2"
},
{
"binary_name": "mkvtoolnix-gui",
"binary_version": "100.0-2"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "mkvtoolnix",
"purl": "pkg:deb/ubuntu/mkvtoolnix?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"94.0-1",
"95.0-1",
"96.0-1",
"97.0-1",
"97.0-1build1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-4022.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "mkvtoolnix",
"binary_version": "97.0-1build1"
},
{
"binary_name": "mkvtoolnix-gui",
"binary_version": "97.0-1build1"
}
]
}
}
],
"modified": "2026-10-17T12:55:27.687914277Z",
"provider": "osv",
"upstream": [
"CVE-2018-4022"
],
"references": [
"https://ubuntu.com/security/CVE-2018-4022",
"https://talosintelligence.com/vulnerability_reports/TALOS-2018-0694",
"https://www.cve.org/CVERecord?id=CVE-2018-4022"
]
},
"related_cves": [
{
"value": "CVE-2018-4022",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/1/score"
},
"source_id": "core-osv",
"document_id": 353778,
"published_at": "2018-10-26T17:29:00+00:00"
}