CVE-2025-49794

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

CRITICAL 9.1

En bref

Source
NVD
EPSS
EPSS 0.83 % · centile 58 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
redhat
Statut NVD
Deferred

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.

Faiblesses (CWE)

Références

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1CRITICAL 9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Hredhat
CVSS 3.1CRITICAL 9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:HNVD · secalert@redhat.com (Secondary)

Références européennes

Avis du CERT-FR

Produits affectés

ProduitVersions
libxml2affected 0 < 2.15.0
Red Hat · Red Hat Enterprise Linux 10unaffected 0:2.12.5-7.el10_0 < *
Red Hat · Red Hat Enterprise Linux 7 Extended Lifecycle Supportunaffected 0:2.9.1-6.el7_9.10 < *
Red Hat · Red Hat Enterprise Linux 8unaffected 0:2.9.7-21.el8_10.1 < *
Red Hat · Red Hat Enterprise Linux 8unaffected 0:2.9.7-21.el8_10.1 < *
Red Hat · Red Hat Enterprise Linux 8.2 Advanced Update Supportunaffected 0:2.9.7-9.el8_2.3 < *
Red Hat · Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Supportunaffected 0:2.9.7-9.el8_4.6 < *
Red Hat · Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-Onunaffected 0:2.9.7-9.el8_4.6 < *
Red Hat · Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Supportunaffected 0:2.9.7-13.el8_6.10 < *
Red Hat · Red Hat Enterprise Linux 8.6 Telecommunications Update Serviceunaffected 0:2.9.7-13.el8_6.10 < *
Red Hat · Red Hat Enterprise Linux 8.6 Update Services for SAP Solutionsunaffected 0:2.9.7-13.el8_6.10 < *
Red Hat · Red Hat Enterprise Linux 8.8 Telecommunications Update Serviceunaffected 0:2.9.7-16.el8_8.9 < *
Red Hat · Red Hat Enterprise Linux 8.8 Update Services for SAP Solutionsunaffected 0:2.9.7-16.el8_8.9 < *
Red Hat · Red Hat Enterprise Linux 9unaffected 0:2.9.13-10.el9_6 < *
Red Hat · Red Hat Enterprise Linux 9unaffected 0:2.9.13-10.el9_6 < *
Red Hat · Red Hat Enterprise Linux 9.0 Update Services for SAP Solutionsunaffected 0:2.9.13-1.el9_0.5 < *
Red Hat · Red Hat Enterprise Linux 9.2 Update Services for SAP Solutionsunaffected 0:2.9.13-3.el9_2.7 < *
Red Hat · Red Hat Enterprise Linux 9.4 Extended Update Supportunaffected 0:2.9.13-10.el9_4 < *
Red Hat · Red Hat JBoss Core Services 2.4.62.SP2
Red Hat · Red Hat OpenShift Container Platform 4.12unaffected 412.86.202510291903-0 < *

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD