HighFix available
libxml2 — security advisory
An issue was discovered in xmllint (from libxml2) before 2.11.8 and 2.12.x before 2.12.7. Formatting error messages with xmllint --htmlout can result in a buffer over-read in xmlHTMLPrintFileContext in xmllint.c.
- Products
- libxml2
- Affected versions
- 2.9.14+dfsg-1.2, 2.9.14+dfsg-1.3~deb12u1
- Fixed versions
- 2.12.7+dfsg+really2.9.14-0.4, 2.9.14+dfsg-1.3~deb12u2
- CVEs
- CVE-2024-34459
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 16:54 UTC · Revision 1
Source evidence
An issue was discovered in xmllint (from libxml2) before 2.11.8 and 2.12.x before 2.12.7. Formatting error messages with xmllint --htmlout can result in a buffer over-read in xmlHTMLPrintFileContext in xmllint.c.
osv:DEBIAN-CVE-2024-34459
libxml2
Fixed versions: 2.9.14+dfsg-1.3~deb12u2
libxml2
Fixed versions: 2.12.7+dfsg+really2.9.14-0.4
libxml2
Fixed versions: 2.12.7+dfsg+really2.9.14-0.4
Complete source record
{
"id": "f74ffbea09eac8c76993cfbf850ae31e7ac313ded7546e4aa28fcba9411d740b",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2024-34459",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2024-34459",
"summary": "An issue was discovered in xmllint (from libxml2) before 2.11.8 and 2.12.x before 2.12.7. Formatting error messages with xmllint --htmlout can result in a buffer over-read in xmlHTMLPrintFileContext in xmllint.c.",
"evidence": "osv:DEBIAN-CVE-2024-34459",
"products": [
{
"name": {
"value": "libxml2",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.9.14+dfsg-1.3~deb12u2",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": [
{
"value": "2.9.14+dfsg-1.2",
"evidence": "/affected/0/versions"
},
{
"value": "2.9.14+dfsg-1.3~deb12u1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "libxml2",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.12.7+dfsg+really2.9.14-0.4",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libxml2",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.12.7+dfsg+really2.9.14-0.4",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "DEBIAN-CVE-2024-34459",
"aliases": [
"DEBIAN-CVE-2024-34459"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.9.14+dfsg-1.3~deb12u2"
}
]
}
],
"package": {
"name": "libxml2",
"purl": "pkg:deb/debian/libxml2?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"2.9.14+dfsg-1.2",
"2.9.14+dfsg-1.3~deb12u1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2024-34459.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.12.7+dfsg+really2.9.14-0.4"
}
]
}
],
"package": {
"name": "libxml2",
"purl": "pkg:deb/debian/libxml2?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2024-34459.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.12.7+dfsg+really2.9.14-0.4"
}
]
}
],
"package": {
"name": "libxml2",
"purl": "pkg:deb/debian/libxml2?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2024-34459.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
}
],
"modified": "2026-10-15T09:47:43.874337028Z",
"provider": "osv",
"upstream": [
"CVE-2024-34459"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2024-34459"
]
},
"related_cves": [
{
"value": "CVE-2024-34459",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 328541,
"published_at": "2024-05-14T15:39:11.917+00:00"
}