> CVE-2025-49794 [CRITICAL]

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PUBLISHED
2025-06-16 16:15
MODIFIED
2025-10-16 09:15
CVSS_SCORE V3
9.1
EPSS (Prob. Exploit)
0.83%
Top 42.1%
DATA SOURCES:
NVD 🔗 2025-10-18 RED HAT 🔗 2025-10-18 CVE PROJECT 🔗 2026-01-19 FIRST EPSS 🔗 2026-11-08 OSV 🔗 2026-11-08 MSRC 🔗 2026-05-01

> DESCRIPTION

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.

> AFFECTED_PRODUCTS

Red Hat - Red Hat Enterprise Linux 10
Version: 2.12.5
Red Hat - Red Hat Enterprise Linux 8
Version: 2.9.7
Red Hat - Red Hat Enterprise Linux 9
Version: 2.9.13
Red Hat - Red Hat Enterprise Linux 9.4 Extended Update Support
Version: 2.9.13
Red Hat - Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
Version: 2.9.7
Red Hat - Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
Version: 2.9.7
Red Hat - Red Hat Enterprise Linux 8.6 Telecommunications Update Service
Version: 2.9.7
Red Hat - Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions
Version: 2.9.7
Red Hat - Red Hat Enterprise Linux 8.2 Advanced Update Support
Version: 2.9.7
Red Hat - Red Hat Enterprise Linux 7 Extended Lifecycle Support
Version: 2.9.1
Red Hat - Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
Version: 2.9.7
Red Hat - Red Hat Enterprise Linux 8.8 Telecommunications Update Service
Version: 2.9.7
Red Hat - Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
Version: 2.9.7
Red Hat - Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions
Version: 2.9.13
Red Hat - Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions
Version: 2.9.13
Red Hat - Red Hat Web Terminal 1.11 on RHEL 9
Red Hat - Red Hat Web Terminal 1.12 on RHEL 9
Red Hat - cert-manager operator for Red Hat OpenShift 1.16
Red Hat - Red Hat Insights proxy 1.5

> CVSS V3 METRICS

CVSS_VECTOR
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

> MÉTRIQUES CVSS DÉTAILLÉES

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Métrique Valeur Interprétation
AV (Vecteur d'Attaque)
Attack Vector
Network (N)
Exploit possible à distance via réseau (HTTP, API, etc.)
AC (Complexité d'Attaque)
Attack Complexity
Low (L)
Peu de conditions requises pour exploiter
PR (Privilèges Requis)
Privileges Required
None (N)
Aucune authentification requise
UI (Interaction Utilisateur)
User Interaction
None (N)
Aucune interaction utilisateur nécessaire
S (Périmètre)
Scope
Unchanged (U)
Impact reste dans le périmètre du composant compromis
C (Impact Confidentialité)
Confidentiality Impact
None (N)
Aucune divulgation d'informations
I (Impact Intégrité)
Integrity Impact
High (H)
Modification totale des données possible
A (Impact Disponibilité)
Availability Impact
High (H)
Interruption totale du service possible

> RÉSUMÉ DES IMPACTS

Confidentialité
None
Aucune divulgation d'informations
Intégrité
High
Modification totale des données possible
Disponibilité
High
Interruption totale du service possible

> RED HAT SECURITY ADVISORIES

Red Hat Security Advisory: cert-manager Operator for Red Hat OpenShift 1.16.0
cert-manager Operator for Red Hat OpenShift 1.16.0
Red Hat Security Advisory: updated web-terminal/tooling container image
Updated web-terminal/tooling container image is now available for Red Hat Web Terminal 1.11 on RHEL 9.
Red Hat Security Advisory: updated web-terminal/tooling container image
Updated web-terminal/tooling container image is now available for Red Hat Web Terminal 1.12 on RHEL 9.
Red Hat Security Advisory: Insights proxy Container Image
Initial GA Release of Red Hat Insights proxy
Red Hat Security Advisory: libxml2 security update
An update for libxml2 is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vul...
Red Hat Security Advisory: libxml2 security update
An update for libxml2 is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. Red Hat Product Security...
Red Hat Security Advisory: libxml2 security update
An update for libxml2 is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. Red Hat Pro...
Red Hat Security Advisory: libxml2 security update
An update for libxml2 is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vuln...
Red Hat Security Advisory: libxml2 security update
An update for libxml2 is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A C...
Red Hat Security Advisory: libxml2 security update
An update for libxml2 is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, and Red Hat Enterprise...
Red Hat Security Advisory: libxml2 security update
An update for libxml2 is now available for Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A C...
Red Hat Security Advisory: libxml2 security update
An update for libxml2 is now available for Red Hat Enterprise Linux 9.4 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vuln...
Red Hat Security Advisory: libxml2 security update
An update for libxml2 is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (...
Red Hat Security Advisory: libxml2 security update
An update for libxml2 is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (...
Red Hat Security Advisory: libxml2 security update
An update for libxml2 is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System...
Red Hat Security Advisory: OpenShift Container Platform 4.19.17 bug fix and security update
Red Hat OpenShift Container Platform release 4.19.17 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red H...
Red Hat Security Advisory: OpenShift Container Platform 4.17.42 bug fix and security update
Red Hat OpenShift Container Platform release 4.17.42 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red...
Red Hat Security Advisory: OpenShift Container Platform 4.20.0 bug fix and security update
Red Hat OpenShift Container Platform release 4.20.0 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat...
Red Hat Security Advisory: OpenShift Container Platform 4.13.61 bug fix and security update
Red Hat OpenShift Container Platform release 4.13.61 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red H...
Red Hat Security Advisory: Red Hat JBoss Core Services Apache HTTP Server 2.4.62 SP2 security update
Red Hat JBoss Core Services Apache HTTP Server 2.4.62 Service Pack 2 is now available. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability...
Red Hat Security Advisory: OpenShift Container Platform 4.18.27 bug fix and security update
Red Hat OpenShift Container Platform release 4.18.27 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red H...
Red Hat Security Advisory: OpenShift Container Platform 4.14.58 bug fix and security update
Red Hat OpenShift Container Platform release 4.14.58 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red...
Red Hat Security Advisory: OpenShift Container Platform 4.12.82 bug fix and security update
Red Hat OpenShift Container Platform release 4.12.82 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red H...
Red Hat Security Advisory: OpenShift File Integrity Operator bug fix and enhancement update
An updated OpenShift File Integrity Operator image that fixes various bugs and adds new enhancements is now available for the Red Hat OpenShift Enterprise 4 catalog.
Red Hat Security Advisory: Release of OpenShift Serverless Logic 1.36.0 security update & enhancements
Release of OpenShift Serverless Logic 1.36.0 Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gi...
Red Hat Security Advisory: OpenShift Container Platform 4.16.70 bug fix and security update
Red Hat OpenShift Container Platform release 4.16.70 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red H...
Red Hat Security Advisory: OpenShift Container Platform 4.15.69 bug fix and security update
Red Hat OpenShift Container Platform release 4.15.69 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red H...

> RED HAT SEVERITY ASSESSMENT

THREAT SEVERITY
Important

> OSV (GOOGLE OPEN SOURCE VULNERABILITIES)

Libxml: heap use after free (uaf) leads to denial of service (dos)

AFFECTED PACKAGES:
Unknown / Unknown
5 versions affected

> HISTORIQUE DES MODIFICATIONS

Première apparition
16/06/2025 16:15
Source: NVD
📊 ENRICHISSEMENT 18/10/2025 15:05
CVEPROJECT
Champ modifié: CVE Project
Ancienne valeur:
Non
Nouvelle valeur:
Oui
📊 ENRICHISSEMENT 18/10/2025 12:13
REDHAT
Champ modifié: Sévérité Red Hat
Ancienne valeur:
N/A
Nouvelle valeur:
{ "threat_severity": "Important", "severity_scale": null }
📊 ENRICHISSEMENT 18/10/2025 12:13
REDHAT
Champ modifié: Red Hat
Ancienne valeur:
Non
Nouvelle valeur:
Oui
Total des modifications: 3 Dernière mise à jour: 1 year ago
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