MediumFix available
expat, libxmltok — security advisory
An issue was discovered in libexpat before 2.6.4. There is a crash within the XML_ResumeParser function because XML_StopParser can stop/suspend an unstarted parser.
- Products
- expat, libxmltok
- Affected versions
- 1.2-4, 1.2-4.1, 1.2-4.1~exp1, 1.2-4.2, 2.5.0-1, 2.5.0-1+deb12u1
- Fixed versions
- 2.5.0-1+deb12u2, 2.6.3-2
- CVEs
- CVE-2024-50602
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 16:51 UTC · Revision 1
Source evidence
An issue was discovered in libexpat before 2.6.4. There is a crash within the XML_ResumeParser function because XML_StopParser can stop/suspend an unstarted parser.
osv:DEBIAN-CVE-2024-50602
expat
Fixed versions: 2.5.0-1+deb12u2
expat
Fixed versions: 2.6.3-2
expat
Fixed versions: 2.6.3-2
libxmltok
Fixed versions: Not specified
Complete source record
{
"id": "b0944bb38449312cc865dc7bfa5a146bd4b15495ac54924b79c64e97fde1eec6",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2024-50602",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2024-50602",
"summary": "An issue was discovered in libexpat before 2.6.4. There is a crash within the XML_ResumeParser function because XML_StopParser can stop/suspend an unstarted parser.",
"evidence": "osv:DEBIAN-CVE-2024-50602",
"products": [
{
"name": {
"value": "expat",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.5.0-1+deb12u2",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": [
{
"value": "2.5.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "2.5.0-1+deb12u1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
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{
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],
"affected_versions": []
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{
"name": {
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"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": "medium",
"structured": {
"id": "DEBIAN-CVE-2024-50602",
"aliases": [
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],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
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{
"fixed": "2.5.0-1+deb12u2"
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}
],
"package": {
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"purl": "pkg:deb/debian/expat?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"2.5.0-1",
"2.5.0-1+deb12u1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2024-50602.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
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"events": [
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{
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],
"package": {
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"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-2024-50602.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
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},
{
"fixed": "2.6.3-2"
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],
"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-2024-50602.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-2024-50602.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-15T09:47:42.288355149Z",
"provider": "osv",
"upstream": [
"CVE-2024-50602"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2024-50602"
]
},
"related_cves": [
{
"value": "CVE-2024-50602",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 328417,
"published_at": "2024-10-27T05:15:04.09+00:00"
}