High
Security advisory
libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a use-after-free in xmlSchemaIDCFillNodeTables and xmlSchemaBubbleIDCNodeTables in xmlschemas.c. To exploit this, a crafted XML document must be validated against an XML schema with certain identity constraints, or a crafted XML schema must be used.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2024-56171
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 3 Nov 2026, 13:43 UTC · Revision 1
Source evidence
libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a use-after-free in xmlSchemaIDCFillNodeTables and xmlSchemaBubbleIDCNodeTables in xmlschemas.c. To exploit this, a crafted XML document must be validated against an XML schema with certain identity constraints, or a crafted XML schema must be used.
osv:CVE-2024-56171
Complete source record
{
"id": "5c94b4e10b7bf7bdc1c70939c2b42c931e955a6b1ad3bdd99954bf983c2e8a3b",
"url": "https://osv.dev/vulnerability/CVE-2024-56171",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2024-56171",
"summary": "libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a use-after-free in xmlSchemaIDCFillNodeTables and xmlSchemaBubbleIDCNodeTables in xmlschemas.c. To exploit this, a crafted XML document must be validated against an XML schema with certain identity constraints, or a crafted XML schema must be used.",
"evidence": "osv:CVE-2024-56171",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2024-56171",
"aliases": [
"BIT-java-2024-56171",
"BIT-java-min-2024-56171",
"BIT-jre-2024-56171",
"CVE-2024-56171"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/gnome/libxml2",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "02d577715e1951cf114ca4e9adaf5605156c4f4c"
},
{
"introduced": "cdd2575f7fbab1d8162600f4048bc37503c80e28"
},
{
"fixed": "66453240c94b5cbd3e9ae9b32016fdafb13cdf18"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "2.12.10"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.13.0"
},
{
"fixed": "2.13.6"
}
],
"source": "CPE_RANGE"
}
]
}
},
{
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"type": "GIT",
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{
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"database_specific": {
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{
"cpe": "cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*",
"range": [
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{
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}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.13.0"
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{
"fixed": "2.13.6"
}
],
"source": "CPE_RANGE"
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}
],
"versions": [
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"v2.9.8-rc1",
"v2.9.7",
"v2.9.7-rc1",
"v2.9.6",
"v2.9.6-rc1",
"v2.9.5",
"v2.9.5-rc2",
"v2.9.5-rc1",
"v2.9.4",
"CVE-2016-3627",
"CVE-2016-1833",
"CVE-2016-1835",
"CVE-2016-1837",
"CVE-2016-1836",
"CVE-2016-1839",
"CVE-2016-1838",
"CVE-2016-1840",
"CVE-2016-4449",
"CVE-2016-4483",
"CVE-2016-1834",
"CVE-2016-3705",
"v2.9.4-rc2",
"v2.9.4-rc1",
"CVE-2016-1762",
"v2.9.3",
"CVE-2015-8242",
"CVE-2015-7500",
"CVE-2015-7499-2",
"CVE-2015-7499-1",
"CVE-2015-5312",
"CVE-2015-7497",
"CVE-2015-7498",
"CVE-2015-8035",
"CVE-2015-7942-2",
"CVE-2015-7942",
"CVE-2015-8317",
"CVE-2015-1819",
"CVE-2015-7941_2",
"CVE-2015-7941_1",
"v2.9.2",
"CVE-2014-3660",
"v2.9.2-rc2",
"v2.9.2-rc1",
"CVE-2014-0191",
"v2.9.1",
"CVE-2013-2877",
"v2.9.0",
"v2.9.0-rc2",
"v2.8.0",
"v2.8.0-rc2",
"v2.8.0-rc1",
"v2.7.8",
"v2.7.7",
"v2.7.6",
"v2.7.5",
"v2.7.4",
"LIBXML2.7.3",
"LIBXML2.7.2",
"LIBXML2.7.1",
"LIBXML2.7.0",
"LIBXML2.6.32",
"LIBXML2_2_6_28",
"LIBXML2_2_6_27",
"LIBXML2_2_6_26",
"LIBXML2_2_6_24",
"LIBXML2_2_6_23",
"LIBXML2_2_6_22",
"LIBXML2_2_6_21",
"LIBXML2_2_6_20",
"LIBXML2_2_6_19",
"LIBXML2_2_6_18",
"LIBXML2_2_6_16",
"LIBXML2_2_6_15",
"LIBXML2_2_6_14",
"LIBXML2_2_6_13",
"LIBXML2_2_6_12",
"LIBXML2_2_6_11",
"LIBXML_2_6_10",
"LIBXML2_2_6_9",
"LIBXML2_2_6_8",
"LIBXML2_2_6_7",
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"LIBXML2_2_6_5",
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"LIBXML2_2_6_2",
"LIBXML2_2_6_1",
"LIBXML2_6_0",
"LIBXML2_2_5_x",
"LIBXML2_2_5_10",
"LIBXML2_2_5_9",
"LIBXML2_2_5_8",
"LIBXML2_2_5_7",
"LIBXML_2_5_6",
"LIBXML_2_5_5",
"LIBXML_2_5_4",
"LIBXML_2_5_3",
"LIBXML_2_5_2",
"LIBXML_2_5_1",
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"LIBXML_2_4_30",
"LIBXML_2_4_29",
"LIBXML_2_4_27",
"LIBXML_2_4_26",
"LIBXML_2_4_25",
"LIBXML_2_4_24",
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"LIBXML_2_3_9",
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],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-56171.json"
}
}
],
"modified": "2026-10-28T02:30:28.957127977Z",
"provider": "osv",
"references": [
"https://lists.debian.org/debian-lts-announce/2025/02/msg00028.html",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/56xxx/CVE-2024-56171.json",
"https://nvd.nist.gov/vuln/detail/CVE-2024-56171",
"https://security.netapp.com/advisory/ntap-20250328-0010/",
"https://gitlab.gnome.org/GNOME/libxml2/-/issues/828"
],
"provider_metadata": {
"cwe_ids": [
"CWE-416"
],
"cna_assigner": "mitre",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/56xxx/CVE-2024-56171.json"
}
},
"related_cves": [
{
"value": "CVE-2024-56171",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 495864,
"published_at": "2025-02-18T00:00:00+00:00"
}