FKIE_CVE-2025-49794
Vulnerability from fkie_nvd - Published: 2025-06-16 16:15 - Updated: 2026-09-10 10:17
Severity
Summary
A use-after-free vulnerability was found in libxml2. This issue occurs when parsing XPath elements under certain circumstances when the XML schematron has the <sch:name path="..."/> schema elements. This flaw allows a malicious actor to craft a malicious XML document used as input for libxml, resulting in the program's crash using libxml or other possible undefined behaviors.
References
Impacted products
| Vendor | Product | Version |
|---|
{
"affected": [
{
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"defaultStatus": "unaffected",
"packageName": "libxml2",
"versions": [
{
"lessThan": "2.15.0",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
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"cpes": [
"cpe:/o:redhat:enterprise_linux:10.0"
],
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"product": "Red Hat Enterprise Linux 10",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0:2.12.5-7.el10_0",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/o:redhat:rhel_els:7"
],
"defaultStatus": "affected",
"packageName": "libxml2",
"product": "Red Hat Enterprise Linux 7 Extended Lifecycle Support",
"vendor": "Red Hat",
"versions": [
{
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"status": "unaffected",
"version": "0:2.9.1-6.el7_9.10",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"cpe:/a:redhat:enterprise_linux:8::appstream",
"cpe:/o:redhat:enterprise_linux:8::baseos"
],
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"packageName": "libxml2",
"product": "Red Hat Enterprise Linux 8",
"vendor": "Red Hat",
"versions": [
{
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"status": "unaffected",
"version": "0:2.9.7-21.el8_10.1",
"versionType": "rpm"
}
]
},
{
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"cpe:/a:redhat:enterprise_linux:8::appstream",
"cpe:/o:redhat:enterprise_linux:8::baseos"
],
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"product": "Red Hat Enterprise Linux 8",
"vendor": "Red Hat",
"versions": [
{
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"version": "0:2.9.7-21.el8_10.1",
"versionType": "rpm"
}
]
},
{
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"cpe:/o:redhat:rhel_aus:8.2::baseos"
],
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"packageName": "libxml2",
"product": "Red Hat Enterprise Linux 8.2 Advanced Update Support",
"vendor": "Red Hat",
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{
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"version": "0:2.9.7-9.el8_2.3",
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}
]
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{
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"cpes": [
"cpe:/a:redhat:rhel_aus:8.4::appstream",
"cpe:/a:redhat:rhel_eus_long_life:8.4::appstream",
"cpe:/o:redhat:rhel_aus:8.4::baseos",
"cpe:/o:redhat:rhel_eus_long_life:8.4::baseos"
],
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"packageName": "libxml2",
"product": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support",
"vendor": "Red Hat",
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{
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"version": "0:2.9.7-9.el8_4.6",
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{
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"cpe:/a:redhat:rhel_eus_long_life:8.4::appstream",
"cpe:/o:redhat:rhel_aus:8.4::baseos",
"cpe:/o:redhat:rhel_eus_long_life:8.4::baseos"
],
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"packageName": "libxml2",
"product": "Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On",
"vendor": "Red Hat",
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{
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"status": "unaffected",
"version": "0:2.9.7-9.el8_4.6",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/a:redhat:rhel_aus:8.6::appstream",
"cpe:/a:redhat:rhel_e4s:8.6::appstream",
"cpe:/a:redhat:rhel_tus:8.6::appstream",
"cpe:/o:redhat:rhel_aus:8.6::baseos",
"cpe:/o:redhat:rhel_e4s:8.6::baseos",
"cpe:/o:redhat:rhel_tus:8.6::baseos"
],
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"packageName": "libxml2",
"product": "Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0:2.9.7-13.el8_6.10",
"versionType": "rpm"
}
]
},
{
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"cpes": [
"cpe:/a:redhat:rhel_aus:8.6::appstream",
"cpe:/a:redhat:rhel_e4s:8.6::appstream",
"cpe:/a:redhat:rhel_tus:8.6::appstream",
"cpe:/o:redhat:rhel_aus:8.6::baseos",
"cpe:/o:redhat:rhel_e4s:8.6::baseos",
"cpe:/o:redhat:rhel_tus:8.6::baseos"
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"packageName": "libxml2",
"product": "Red Hat Enterprise Linux 8.6 Telecommunications Update Service",
"vendor": "Red Hat",
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{
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"versionType": "rpm"
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]
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{
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"cpe:/a:redhat:rhel_e4s:8.6::appstream",
"cpe:/a:redhat:rhel_tus:8.6::appstream",
"cpe:/o:redhat:rhel_aus:8.6::baseos",
"cpe:/o:redhat:rhel_e4s:8.6::baseos",
"cpe:/o:redhat:rhel_tus:8.6::baseos"
],
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"packageName": "libxml2",
"product": "Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions",
"vendor": "Red Hat",
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"version": "0:2.9.7-13.el8_6.10",
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}
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"cpe:/a:redhat:rhel_tus:8.8::appstream",
"cpe:/o:redhat:rhel_e4s:8.8::baseos",
"cpe:/o:redhat:rhel_tus:8.8::baseos"
],
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"packageName": "libxml2",
"product": "Red Hat Enterprise Linux 8.8 Telecommunications Update Service",
"vendor": "Red Hat",
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"versionType": "rpm"
}
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{
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"cpe:/a:redhat:rhel_tus:8.8::appstream",
"cpe:/o:redhat:rhel_e4s:8.8::baseos",
"cpe:/o:redhat:rhel_tus:8.8::baseos"
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{
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"status": "unaffected",
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"versionType": "rpm"
}
]
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"cpe:/a:redhat:enterprise_linux:9::appstream",
"cpe:/o:redhat:enterprise_linux:9::baseos"
],
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"packageName": "libxml2",
"product": "Red Hat Enterprise Linux 9",
"vendor": "Red Hat",
"versions": [
{
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"status": "unaffected",
"version": "0:2.9.13-10.el9_6",
"versionType": "rpm"
}
]
},
{
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"cpes": [
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"cpe:/o:redhat:enterprise_linux:9::baseos"
],
"defaultStatus": "affected",
"packageName": "libxml2",
"product": "Red Hat Enterprise Linux 9",
"vendor": "Red Hat",
"versions": [
{
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"status": "unaffected",
"version": "0:2.9.13-10.el9_6",
"versionType": "rpm"
}
]
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{
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"cpes": [
"cpe:/a:redhat:rhel_e4s:9.0::appstream",
"cpe:/o:redhat:rhel_e4s:9.0::baseos"
],
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"packageName": "libxml2",
"product": "Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0:2.9.13-1.el9_0.5",
"versionType": "rpm"
}
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{
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"packageName": "libxml2",
"product": "Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions",
"vendor": "Red Hat",
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{
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"versionType": "rpm"
}
]
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{
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"cpes": [
"cpe:/a:redhat:rhel_eus:9.4::appstream",
"cpe:/o:redhat:rhel_eus:9.4::baseos"
],
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"packageName": "libxml2",
"product": "Red Hat Enterprise Linux 9.4 Extended Update Support",
"vendor": "Red Hat",
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{
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"version": "0:2.9.13-10.el9_4",
"versionType": "rpm"
}
]
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{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/a:redhat:jboss_core_services:1"
],
"defaultStatus": "unaffected",
"packageName": "libxml2",
"product": "Red Hat JBoss Core Services 2.4.62.SP2",
"vendor": "Red Hat"
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/a:redhat:openshift:4.12::el8"
],
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"packageName": "rhcos",
"product": "Red Hat OpenShift Container Platform 4.12",
"vendor": "Red Hat",
"versions": [
{
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"version": "412.86.202510291903-0",
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}
]
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
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"product": "Red Hat OpenShift Container Platform 4.13",
"vendor": "Red Hat",
"versions": [
{
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{
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{
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{
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},
{
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"vendor": "Red Hat",
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},
{
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],
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"packageName": "rhcos",
"product": "Red Hat OpenShift Container Platform 4.18",
"vendor": "Red Hat",
"versions": [
{
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]
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/a:redhat:openshift:4.19::el9"
],
"defaultStatus": "affected",
"packageName": "rhcos",
"product": "Red Hat OpenShift Container Platform 4.19",
"vendor": "Red Hat",
"versions": [
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{
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"cpes": [
"cpe:/a:redhat:openshift:4.20::el9"
],
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"packageName": "rhcos",
"product": "Red Hat OpenShift Container Platform 4.20",
"vendor": "Red Hat",
"versions": [
{
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"versionType": "rpm"
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]
},
{
"collectionURL": "https://catalog.redhat.com/software/containers/",
"cpes": [
"cpe:/a:redhat:webterminal:1.11::el9"
],
"defaultStatus": "affected",
"packageName": "web-terminal/web-terminal-rhel9-operator",
"product": "Red Hat Web Terminal 1.11 on RHEL 9",
"vendor": "Red Hat",
"versions": [
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"cpes": [
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"packageName": "web-terminal/web-terminal-tooling-rhel9",
"product": "Red Hat Web Terminal 1.11 on RHEL 9",
"vendor": "Red Hat",
"versions": [
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{
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"cpes": [
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"product": "Red Hat Web Terminal 1.12 on RHEL 9",
"vendor": "Red Hat",
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"cpes": [
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"vendor": "Red Hat",
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{
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"cpes": [
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{
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{
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"packageName": "openshift-serverless-1/logic-rhel8-operator",
"product": "RHOSS-1.36-RHEL-8",
"vendor": "Red Hat",
"versions": [
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{
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"cpes": [
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"packageName": "openshift-serverless-1/logic-swf-builder-rhel8",
"product": "RHOSS-1.36-RHEL-8",
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},
{
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"cpes": [
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"defaultStatus": "affected",
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"vendor": "Red Hat",
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},
{
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"cpes": [
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],
"defaultStatus": "affected",
"packageName": "cert-manager/jetstack-cert-manager-rhel9",
"product": "cert-manager operator for Red Hat OpenShift 1.16",
"vendor": "Red Hat",
"versions": [
{
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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