by Kastro CVE-2025-49794
Red Hat Red Hat Enterprise Linux 10 — Libxml: heap use after free (uaf) leads to denial of service (dos)
Description · from the CVE record
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
ProductAffectedFixed inSource
libxml2< 2.15.02.15.0CNA
Red Hat Enterprise Linux 10see advisory0:2.12.5-7.el10_0CNA
Red Hat Enterprise Linux 7 Extended Lifecycle Supportsee advisory0:2.9.1-6.el7_9.10CNA
Red Hat Enterprise Linux 8see advisory0:2.9.7-21.el8_10.1CNA
Red Hat Enterprise Linux 8see advisory0:2.9.7-21.el8_10.1CNA
Red Hat Enterprise Linux 8.2 Advanced Update Supportsee advisory0:2.9.7-9.el8_2.3CNA
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Supportsee advisory0:2.9.7-9.el8_4.6CNA
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-Onsee advisory0:2.9.7-9.el8_4.6CNA
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Supportsee advisory0:2.9.7-13.el8_6.10CNA
Red Hat Enterprise Linux 8.6 Telecommunications Update Servicesee advisory0:2.9.7-13.el8_6.10CNA
Red Hat Enterprise Linux 8.6 Update Services for SAP Solutionssee advisory0:2.9.7-13.el8_6.10CNA
Red Hat Enterprise Linux 8.8 Telecommunications Update Servicesee advisory0:2.9.7-16.el8_8.9CNA
Scores by source
redhat (CNA)9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: partial