CriticalFix available
expat, libxmltok — security advisory
Expat allows context-dependent attackers to cause a denial of service (crash) or possibly execute arbitrary code via a malformed input document, which triggers a buffer overflow.
- Products
- expat, libxmltok
- Affected versions
- 1.2-4, 1.2-4.1, 1.2-4.1~exp1, 1.2-4.2
- Fixed versions
- 2.1.1-2
- CVEs
- CVE-2016-0718
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 28 Oct 2026, 10:34 UTC · Revision 1
Source evidence
Expat allows context-dependent attackers to cause a denial of service (crash) or possibly execute arbitrary code via a malformed input document, which triggers a buffer overflow.
osv:DEBIAN-CVE-2016-0718
expat
Fixed versions: 2.1.1-2
expat
Fixed versions: 2.1.1-2
expat
Fixed versions: 2.1.1-2
libxmltok
Fixed versions: Not specified
Complete source record
{
"id": "4cae2d5b8f3f6c032486b703497563c14046b4f8ea6e6a36f72cebdfafb7a333",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2016-0718",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2016-0718",
"summary": "Expat allows context-dependent attackers to cause a denial of service (crash) or possibly execute arbitrary code via a malformed input document, which triggers a buffer overflow.",
"evidence": "osv:DEBIAN-CVE-2016-0718",
"products": [
{
"name": {
"value": "expat",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.1.1-2",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "expat",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.1.1-2",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "expat",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.1.1-2",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libxmltok",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.2-4",
"evidence": "/affected/3/versions"
},
{
"value": "1.2-4.1",
"evidence": "/affected/3/versions"
},
{
"value": "1.2-4.1~exp1",
"evidence": "/affected/3/versions"
},
{
"value": "1.2-4.2",
"evidence": "/affected/3/versions"
}
]
}
],
"severity": "critical",
"structured": {
"id": "DEBIAN-CVE-2016-0718",
"aliases": [
"DEBIAN-CVE-2016-0718"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.1.1-2"
}
]
}
],
"package": {
"name": "expat",
"purl": "pkg:deb/debian/expat?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2016-0718.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.1.1-2"
}
]
}
],
"package": {
"name": "expat",
"purl": "pkg:deb/debian/expat?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2016-0718.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.1.1-2"
}
]
}
],
"package": {
"name": "expat",
"purl": "pkg:deb/debian/expat?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2016-0718.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "libxmltok",
"purl": "pkg:deb/debian/libxmltok?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"1.2-4",
"1.2-4.1",
"1.2-4.1~exp1",
"1.2-4.2"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2016-0718.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-08T23:47:35.661593395Z",
"provider": "osv",
"upstream": [
"CVE-2016-0718"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2016-0718"
]
},
"related_cves": [
{
"value": "CVE-2016-0718",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 107965,
"published_at": "2016-05-26T16:59:00.133+00:00"
}