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wid-sec-w-2025-1312
Vulnerability from csaf_certbund
Published
2025-06-11 22:00
Modified
2025-08-06 22:00
Summary
libxml2: Mehrere Schwachstellen ermöglichen Denial of Service
Notes
Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung
libxml ist ein C Parser und Toolkit, welches für das Gnome Projekt entwickelt wurde.
Angriff
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in libxml2 ausnutzen, um einen Denial of Service Angriff durchzuführen oder nicht näher beschriebene Auswirkungen zu erzielen.
Betroffene Betriebssysteme
- Linux
- UNIX
- Windows
{
"document": {
"aggregate_severity": {
"text": "hoch"
},
"category": "csaf_base",
"csaf_version": "2.0",
"distribution": {
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "de-DE",
"notes": [
{
"category": "legal_disclaimer",
"text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
},
{
"category": "description",
"text": "libxml ist ein C Parser und Toolkit, welches f\u00fcr das Gnome Projekt entwickelt wurde.",
"title": "Produktbeschreibung"
},
{
"category": "summary",
"text": "Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in libxml2 ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren oder nicht n\u00e4her beschriebene Auswirkungen zu erzielen.",
"title": "Angriff"
},
{
"category": "general",
"text": "- Linux\n- UNIX\n- Windows",
"title": "Betroffene Betriebssysteme"
}
],
"publisher": {
"category": "other",
"contact_details": "csaf-provider@cert-bund.de",
"name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
"namespace": "https://www.bsi.bund.de"
},
"references": [
{
"category": "self",
"summary": "WID-SEC-W-2025-1312 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2025/wid-sec-w-2025-1312.json"
},
{
"category": "self",
"summary": "WID-SEC-2025-1312 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2025-1312"
},
{
"category": "external",
"summary": "GNOME Security vom 2025-06-11",
"url": "https://gitlab.gnome.org/Teams/Releng/security/-/wikis/2025"
},
{
"category": "external",
"summary": "GNOME GitLab Issue 926 vom 2025-06-11",
"url": "https://gitlab.gnome.org/GNOME/libxml2/-/issues/926"
},
{
"category": "external",
"summary": "GNOME GitLab Issue 931 vom 2025-06-11",
"url": "https://gitlab.gnome.org/GNOME/libxml2/-/issues/931"
},
{
"category": "external",
"summary": "GNOME GitLab Issue 932 vom 2025-06-11",
"url": "https://gitlab.gnome.org/GNOME/libxml2/-/issues/932"
},
{
"category": "external",
"summary": "GNOME GitLab Issue 933 vom 2025-06-11",
"url": "https://gitlab.gnome.org/GNOME/libxml2/-/issues/933"
},
{
"category": "external",
"summary": "Arch Linux Security Advisory ASA-202506-7 vom 2025-06-19",
"url": "https://security.archlinux.org/ASA-202506-7"
},
{
"category": "external",
"summary": "Amazon Linux Security Advisory ALAS-2025-2893 vom 2025-06-24",
"url": "https://alas.aws.amazon.com/AL2/ALAS-2025-2893.html"
},
{
"category": "external",
"summary": "Amazon Linux Security Advisory ALAS2-2025-2893 vom 2025-06-30",
"url": "https://alas.aws.amazon.com/AL2/ALAS2-2025-2893.html"
},
{
"category": "external",
"summary": "Tenable Security Advisory TNS-2025-13 vom 2025-06-30",
"url": "https://de.tenable.com/security/tns-2025-13"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2025:10630 vom 2025-07-08",
"url": "https://access.redhat.com/errata/RHSA-2025:10630"
},
{
"category": "external",
"summary": "openSUSE Security Update OPENSUSE-SU-2025:15321-1 vom 2025-07-09",
"url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/6ENYT3VR7R5DYMOUMVW7VUSFZWAHIP53/"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2025:02260-1 vom 2025-07-09",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2025-July/021778.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2025:10698 vom 2025-07-09",
"url": "https://access.redhat.com/errata/RHSA-2025:10698"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2025:10699 vom 2025-07-09",
"url": "https://access.redhat.com/errata/RHSA-2025:10699"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2025-10630 vom 2025-07-09",
"url": "https://linux.oracle.com/errata/ELSA-2025-10630.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2025-10699 vom 2025-07-10",
"url": "https://linux.oracle.com/errata/ELSA-2025-10699.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2025-10698 vom 2025-07-10",
"url": "https://linux.oracle.com/errata/ELSA-2025-10698.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2025:02275-1 vom 2025-07-10",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2025-July/021788.html"
},
{
"category": "external",
"summary": "NetApp Security Advisory NTAP-20250711-0009 vom 2025-07-11",
"url": "https://security.netapp.com/advisory/NTAP-20250711-0009"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2025:02294-1 vom 2025-07-11",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2025-July/021799.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2025:02314-1 vom 2025-07-15",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2025-July/021818.html"
},
{
"category": "external",
"summary": "IBM Security Bulletin 7239960 vom 2025-07-17",
"url": "https://www.ibm.com/support/pages/node/7239960"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2025:11386 vom 2025-07-17",
"url": "https://access.redhat.com/errata/RHSA-2025:11386"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2025:02355-1 vom 2025-07-17",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2025-July/021844.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2025:11396 vom 2025-07-18",
"url": "https://access.redhat.com/errata/RHSA-2025:11396"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2025:11580 vom 2025-07-23",
"url": "https://access.redhat.com/errata/RHSA-2025:11580"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2025:11673 vom 2025-07-29",
"url": "https://access.redhat.com/errata/RHSA-2025:11673"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2025:12099 vom 2025-07-29",
"url": "https://access.redhat.com/errata/RHSA-2025:12099"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2025:12098 vom 2025-07-29",
"url": "https://access.redhat.com/errata/RHSA-2025:12098"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2025:12199 vom 2025-07-29",
"url": "https://access.redhat.com/errata/RHSA-2025:12199"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2025:12237 vom 2025-07-30",
"url": "https://access.redhat.com/errata/RHSA-2025:12237"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2025:12240 vom 2025-07-30",
"url": "https://access.redhat.com/errata/RHSA-2025:12240"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2025:12241 vom 2025-07-30",
"url": "https://access.redhat.com/errata/RHSA-2025:12241"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2025:12239 vom 2025-07-30",
"url": "https://access.redhat.com/errata/RHSA-2025:12239"
},
{
"category": "external",
"summary": "Amazon Linux Security Advisory ALAS2-2025-2938 vom 2025-07-30",
"url": "https://alas.aws.amazon.com/AL2/ALAS2-2025-2938.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2025-12450 vom 2025-08-01",
"url": "https://linux.oracle.com/errata/ELSA-2025-12450.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2025-13203 vom 2025-08-07",
"url": "http://linux.oracle.com/errata/ELSA-2025-13203.html"
},
{
"category": "external",
"summary": "IBM Security Bulletin 7241565 vom 2025-08-06",
"url": "https://www.ibm.com/support/pages/node/7241565"
}
],
"source_lang": "en-US",
"title": "libxml2: Mehrere Schwachstellen erm\u00f6glichen Denial of Service",
"tracking": {
"current_release_date": "2025-08-06T22:00:00.000+00:00",
"generator": {
"date": "2025-08-07T08:29:27.684+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.4.0"
}
},
"id": "WID-SEC-W-2025-1312",
"initial_release_date": "2025-06-11T22:00:00.000+00:00",
"revision_history": [
{
"date": "2025-06-11T22:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
},
{
"date": "2025-06-12T22:00:00.000+00:00",
"number": "2",
"summary": "Referenz(en) aufgenommen: 2372385"
},
{
"date": "2025-06-19T22:00:00.000+00:00",
"number": "3",
"summary": "Neue Updates von Arch Linux aufgenommen"
},
{
"date": "2025-06-24T22:00:00.000+00:00",
"number": "4",
"summary": "Neue Updates von Amazon aufgenommen"
},
{
"date": "2025-06-30T22:00:00.000+00:00",
"number": "5",
"summary": "Neue Updates von Amazon und Tenable aufgenommen"
},
{
"date": "2025-07-08T22:00:00.000+00:00",
"number": "6",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2025-07-09T22:00:00.000+00:00",
"number": "7",
"summary": "Neue Updates von openSUSE, SUSE, Red Hat und Oracle Linux aufgenommen"
},
{
"date": "2025-07-10T22:00:00.000+00:00",
"number": "8",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2025-07-13T22:00:00.000+00:00",
"number": "9",
"summary": "Neue Updates von NetApp und SUSE aufgenommen"
},
{
"date": "2025-07-15T22:00:00.000+00:00",
"number": "10",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2025-07-17T22:00:00.000+00:00",
"number": "11",
"summary": "Neue Updates von IBM, Red Hat und SUSE aufgenommen"
},
{
"date": "2025-07-20T22:00:00.000+00:00",
"number": "12",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2025-07-22T22:00:00.000+00:00",
"number": "13",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2025-07-28T22:00:00.000+00:00",
"number": "14",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2025-07-29T22:00:00.000+00:00",
"number": "15",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2025-07-30T22:00:00.000+00:00",
"number": "16",
"summary": "Neue Updates von Amazon aufgenommen"
},
{
"date": "2025-07-31T22:00:00.000+00:00",
"number": "17",
"summary": "Neue Updates von Oracle Linux aufgenommen"
},
{
"date": "2025-08-06T22:00:00.000+00:00",
"number": "18",
"summary": "Neue Updates von Oracle Linux und IBM aufgenommen"
}
],
"status": "final",
"version": "18"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"category": "product_name",
"name": "Amazon Linux 2",
"product": {
"name": "Amazon Linux 2",
"product_id": "398363",
"product_identification_helper": {
"cpe": "cpe:/o:amazon:linux_2:-"
}
}
}
],
"category": "vendor",
"name": "Amazon"
},
{
"branches": [
{
"branches": [
{
"category": "product_version",
"name": "7.3",
"product": {
"name": "IBM AIX 7.3",
"product_id": "1139691",
"product_identification_helper": {
"cpe": "cpe:/o:ibm:aix:7.3"
}
}
},
{
"category": "product_version",
"name": "7.2",
"product": {
"name": "IBM AIX 7.2",
"product_id": "434967",
"product_identification_helper": {
"cpe": "cpe:/o:ibm:aix:7.2"
}
}
}
],
"category": "product_name",
"name": "AIX"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003cLTS 12.0.14",
"product": {
"name": "IBM App Connect Enterprise \u003cLTS 12.0.14",
"product_id": "T045928"
}
},
{
"category": "product_version",
"name": "LTS 12.0.14",
"product": {
"name": "IBM App Connect Enterprise LTS 12.0.14",
"product_id": "T045928-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:ibm:app_connect_enterprise:lts_12.0.14"
}
}
}
],
"category": "product_name",
"name": "App Connect Enterprise"
},
{
"branches": [
{
"category": "product_version",
"name": "3.1",
"product": {
"name": "IBM VIOS 3.1",
"product_id": "1039165",
"product_identification_helper": {
"cpe": "cpe:/a:ibm:vios:3.1"
}
}
},
{
"category": "product_version",
"name": "4.1",
"product": {
"name": "IBM VIOS 4.1",
"product_id": "1522854",
"product_identification_helper": {
"cpe": "cpe:/a:ibm:vios:4.1"
}
}
}
],
"category": "product_name",
"name": "VIOS"
}
],
"category": "vendor",
"name": "IBM"
},
{
"branches": [
{
"branches": [
{
"category": "product_version",
"name": "9",
"product": {
"name": "NetApp Data ONTAP 9",
"product_id": "T039981",
"product_identification_helper": {
"cpe": "cpe:/a:netapp:data_ontap:9"
}
}
}
],
"category": "product_name",
"name": "Data ONTAP"
}
],
"category": "vendor",
"name": "NetApp"
},
{
"branches": [
{
"category": "product_name",
"name": "Open Source Arch Linux",
"product": {
"name": "Open Source Arch Linux",
"product_id": "T013312",
"product_identification_helper": {
"cpe": "cpe:/o:archlinux:archlinux:-"
}
}
},
{
"category": "product_name",
"name": "Open Source libxml2",
"product": {
"name": "Open Source libxml2",
"product_id": "T044565",
"product_identification_helper": {
"cpe": "cpe:/a:xmlsoft:libxml2:-"
}
}
}
],
"category": "vendor",
"name": "Open Source"
},
{
"branches": [
{
"category": "product_name",
"name": "Oracle Linux",
"product": {
"name": "Oracle Linux",
"product_id": "T004914",
"product_identification_helper": {
"cpe": "cpe:/o:oracle:linux:-"
}
}
}
],
"category": "vendor",
"name": "Oracle"
},
{
"branches": [
{
"category": "product_name",
"name": "Red Hat Enterprise Linux",
"product": {
"name": "Red Hat Enterprise Linux",
"product_id": "67646",
"product_identification_helper": {
"cpe": "cpe:/o:redhat:enterprise_linux:-"
}
}
},
{
"branches": [
{
"category": "product_version",
"name": "Container Platform 4.10",
"product": {
"name": "Red Hat OpenShift Container Platform 4.10",
"product_id": "T025742",
"product_identification_helper": {
"cpe": "cpe:/a:redhat:openshift:container_platform_4.10"
}
}
},
{
"category": "product_version",
"name": "Container Platform 4.11",
"product": {
"name": "Red Hat OpenShift Container Platform 4.11",
"product_id": "T025990",
"product_identification_helper": {
"cpe": "cpe:/a:redhat:openshift:container_platform_4.11"
}
}
},
{
"category": "product_version",
"name": "Container Platform 4.12",
"product": {
"name": "Red Hat OpenShift Container Platform 4.12",
"product_id": "T026435",
"product_identification_helper": {
"cpe": "cpe:/a:redhat:openshift:container_platform_4.12"
}
}
}
],
"category": "product_name",
"name": "OpenShift"
}
],
"category": "vendor",
"name": "Red Hat"
},
{
"branches": [
{
"category": "product_name",
"name": "SUSE Linux",
"product": {
"name": "SUSE Linux",
"product_id": "T002207",
"product_identification_helper": {
"cpe": "cpe:/o:suse:suse_linux:-"
}
}
},
{
"category": "product_name",
"name": "SUSE openSUSE",
"product": {
"name": "SUSE openSUSE",
"product_id": "T027843",
"product_identification_helper": {
"cpe": "cpe:/o:suse:opensuse:-"
}
}
}
],
"category": "vendor",
"name": "SUSE"
},
{
"branches": [
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c10.8.5",
"product": {
"name": "Tenable Security Nessus \u003c10.8.5",
"product_id": "T044617"
}
},
{
"category": "product_version",
"name": "10.8.5",
"product": {
"name": "Tenable Security Nessus 10.8.5",
"product_id": "T044617-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:tenable:nessus:agent__10.8.5"
}
}
},
{
"category": "product_version_range",
"name": "\u003c10.9.0",
"product": {
"name": "Tenable Security Nessus \u003c10.9.0",
"product_id": "T044956"
}
},
{
"category": "product_version",
"name": "10.9.0",
"product": {
"name": "Tenable Security Nessus 10.9.0",
"product_id": "T044956-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:tenable:nessus:10.9.0"
}
}
}
],
"category": "product_name",
"name": "Nessus"
}
],
"category": "vendor",
"name": "Tenable Security"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2025-49794",
"product_status": {
"known_affected": [
"67646",
"434967",
"T013312",
"1039165",
"1522854",
"T044617",
"T045928",
"T004914",
"T039981",
"1139691",
"T044565",
"T002207",
"T044956",
"T027843",
"398363",
"T025742",
"T026435",
"T025990"
]
},
"release_date": "2025-06-11T22:00:00.000+00:00",
"title": "CVE-2025-49794"
},
{
"cve": "CVE-2025-49795",
"product_status": {
"known_affected": [
"67646",
"434967",
"T013312",
"1039165",
"1522854",
"T044617",
"T045928",
"T004914",
"T039981",
"1139691",
"T044565",
"T002207",
"T044956",
"T027843",
"398363",
"T025742",
"T026435",
"T025990"
]
},
"release_date": "2025-06-11T22:00:00.000+00:00",
"title": "CVE-2025-49795"
},
{
"cve": "CVE-2025-49796",
"product_status": {
"known_affected": [
"67646",
"434967",
"T013312",
"1039165",
"1522854",
"T044617",
"T045928",
"T004914",
"T039981",
"1139691",
"T044565",
"T002207",
"T044956",
"T027843",
"398363",
"T025742",
"T026435",
"T025990"
]
},
"release_date": "2025-06-11T22:00:00.000+00:00",
"title": "CVE-2025-49796"
},
{
"cve": "CVE-2025-6021",
"product_status": {
"known_affected": [
"67646",
"434967",
"T013312",
"1039165",
"1522854",
"T044617",
"T045928",
"T004914",
"T039981",
"1139691",
"T044565",
"T002207",
"T044956",
"T027843",
"398363",
"T025742",
"T026435",
"T025990"
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},
"release_date": "2025-06-11T22:00:00.000+00:00",
"title": "CVE-2025-6021"
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]
}
CVE-2025-6021 (GCVE-0-2025-6021)
Vulnerability from cvelistv5
Published
2025-06-12 12:49
Modified
2025-08-14 09:07
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-121 - Stack-based Buffer Overflow
Summary
A flaw was found in libxml2's xmlBuildQName function, where integer overflows in buffer size calculations can lead to a stack-based buffer overflow. This issue can result in memory corruption or a denial of service when processing crafted input.
References
Impacted products
| Vendor | Product | Version | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| ► | Red Hat | Red Hat Enterprise Linux 10 |
Unaffected: 0:2.12.5-7.el10_0 < * cpe:/o:redhat:enterprise_linux:10.0 |
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CVE-2025-49795 (GCVE-0-2025-49795)
Vulnerability from cvelistv5
Published
2025-06-16 15:19
Modified
2025-07-24 12:07
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-825 - Expired Pointer Dereference
Summary
A NULL pointer dereference vulnerability was found in libxml2 when processing XPath XML expressions. This flaw allows an attacker to craft a malicious XML input to libxml2, leading to a denial of service.
References
| ► | URL | Tags | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Impacted products
| Vendor | Product | Version | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ► | Red Hat | Red Hat Enterprise Linux 10 |
Unaffected: 0:2.12.5-7.el10_0 < * cpe:/o:redhat:enterprise_linux:10.0 |
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CVE-2025-49796 (GCVE-0-2025-49796)
Vulnerability from cvelistv5
Published
2025-06-16 15:14
Modified
2025-08-07 08:59
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-125 - Out-of-bounds Read
Summary
A vulnerability was found in libxml2. Processing certain sch:name elements from the input XML file can trigger a memory corruption issue. This flaw allows an attacker to craft a malicious XML input file that can lead libxml to crash, resulting in a denial of service or other possible undefined behavior due to sensitive data being corrupted in memory.
References
| ► | URL | Tags | |||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ► | Red Hat | Red Hat Enterprise Linux 10 |
Unaffected: 0:2.12.5-7.el10_0 < * cpe:/o:redhat:enterprise_linux:10.0 |
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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CVE-2025-49794 (GCVE-0-2025-49794)
Vulnerability from cvelistv5
Published
2025-06-16 15:24
Modified
2025-08-07 08:57
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-825 - Expired Pointer Dereference
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
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Impacted products
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| ► | Red Hat | Red Hat Enterprise Linux 10 |
Unaffected: 0:2.12.5-7.el10_0 < * cpe:/o:redhat:enterprise_linux:10.0 |
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"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2025:12237"
},
{
"name": "RHSA-2025:12239",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2025:12239"
},
{
"name": "RHSA-2025:12240",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2025:12240"
},
{
"name": "RHSA-2025:12241",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2025:12241"
},
{
"name": "RHSA-2025:13335",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2025:13335"
},
{
"tags": [
"vdb-entry",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/security/cve/CVE-2025-49794"
},
{
"name": "RHBZ#2372373",
"tags": [
"issue-tracking",
"x_refsource_REDHAT"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2372373"
}
],
"timeline": [
{
"lang": "en",
"time": "2025-06-11T21:33:43.044000+00:00",
"value": "Reported to Red Hat."
},
{
"lang": "en",
"time": "2025-06-10T00:00:00+00:00",
"value": "Made public."
}
],
"title": "Libxml: heap use after free (uaf) leads to denial of service (dos)",
"workarounds": [
{
"lang": "en",
"value": "There\u0027s no available mitigation other than avoid processing untrusted XML documents before updating to the libxml version containing the fix."
}
],
"x_redhatCweChain": "CWE-825: Expired Pointer Dereference"
}
},
"cveMetadata": {
"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"assignerShortName": "redhat",
"cveId": "CVE-2025-49794",
"datePublished": "2025-06-16T15:24:31.020Z",
"dateReserved": "2025-06-10T22:17:05.286Z",
"dateUpdated": "2025-08-07T08:57:42.694Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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