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9.1 Critical

CVE-2025-49794 Libxml: heap use after free (uaf) leads to denial of service (dos)

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.

CVSS 3.1 detail

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

Exploitable remotely over the network, without an account and without any user action; an attacker can seriously compromise confidentiality, integrity or availability.

Attack vector
Network
Attack complexity
Low
Privileges required
None
Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
High

Affected products and versions

Product Affected versions Fixed in
Red Hat Enterprise Linux 10 Versions not published
Red Hat Enterprise Linux 7 Extended Lifecycle Support Versions not published
Red Hat Enterprise Linux 8 Versions not published
Red Hat Enterprise Linux 8.2 Advanced Update Support Versions not published
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Versions not published
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On Versions not published
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Versions not published
Red Hat Enterprise Linux 8.6 Telecommunications Update Service Versions not published
Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions Versions not published
Show the 41 other branches
Product Affected versions Fixed in
Red Hat Enterprise Linux 8.8 Telecommunications Update Service Versions not published
Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Versions not published
Red Hat Enterprise Linux 9 Versions not published
Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions Versions not published
Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Versions not published
Red Hat Enterprise Linux 9.4 Extended Update Support Versions not published
Red Hat JBoss Core Services 2.4.62.SP2 Versions not published
Red Hat OpenShift Container Platform 4.12 412.86 earliest → < 412.86.202510291903-0 412.86.202510291903-0
Red Hat OpenShift Container Platform 4.13 413.92 earliest → < 413.92.202510150118-0 413.92.202510150118-0
Red Hat OpenShift Container Platform 4.14 414.92 earliest → < 414.92.202510211419-0 414.92.202510211419-0
Red Hat OpenShift Container Platform 4.17 417.94 earliest → < 417.94.202510112152-0 417.94.202510112152-0
Red Hat OpenShift Container Platform 4.18 418.94 earliest → < 418.94.202510230424-0 418.94.202510230424-0
Red Hat OpenShift Container Platform 4.19 4.19 earliest → < 4.19.9.6.202510140714-0 4.19.9.6.202510140714-0
Red Hat OpenShift Container Platform 4.20 4.20 earliest → < 4.20.9.6.202509251656-0 4.20.9.6.202509251656-0
Red Hat Web Terminal 1.11 on RHEL 9 1.11 earliest → < 1.11-8 1.11-8
Red Hat Web Terminal 1.12 on RHEL 9 1.12 earliest → < 1.12-4 1.12-4
cert-manager operator for Red Hat OpenShift 1.16 1.16 earliest → < 1.16.5-1760515757 1.16.5-1760515757
File Integrity Operator 1 1.3 earliest → < 1.3 1.3
Red Hat Insights proxy 1.5 1.5 earliest → < 1.5.5-1754504343 1.5.5-1754504343
Red Hat Enterprise Linux 6 Versions not published
RHOSS-1.36-RHEL-8 1.36 earliest → < 1.36.0-7 1.36.0-7
Red Hat Hardened Images 2.15 earliest → < 2.15.2-0.3.hum1 2.15.2-0.3.hum1
RUGGEDCOM ROX MX5000 2.17 earliest → < 2.17.1 2.17.1
RUGGEDCOM ROX MX5000RE 2.17 earliest → < 2.17.1 2.17.1
RUGGEDCOM ROX RX1400 2.17 earliest → < 2.17.1 2.17.1
RUGGEDCOM ROX RX1500 2.17 earliest → < 2.17.1 2.17.1
RUGGEDCOM ROX RX1501 2.17 earliest → < 2.17.1 2.17.1
RUGGEDCOM ROX RX1510 2.17 earliest → < 2.17.1 2.17.1
RUGGEDCOM ROX RX1511 2.17 earliest → < 2.17.1 2.17.1
RUGGEDCOM ROX RX1512 2.17 earliest → < 2.17.1 2.17.1
RUGGEDCOM ROX RX1524 2.17 earliest → < 2.17.1 2.17.1
RUGGEDCOM ROX RX1536 2.17 earliest → < 2.17.1 2.17.1
RUGGEDCOM ROX RX5000 2.17 earliest → < 2.17.1 2.17.1
RUGGEDCOM RST2428P 4.0 earliest → < 4.0 4.0
OpenShift File Integrity Operator - FIO 1 1.3 earliest → < 1.3 1.3
Red Hat In-Vehicle Operating System 1 Versions not published
Compliance Operator 1 1.3 earliest → < 1.3 1.3
Red Hat OpenShift Container Platform 4 Versions not published
Red Hat OpenShift Container Platform 4.16 416.94 earliest → < 416.94.202609011112-0 416.94.202609011112-0
Red Hat OpenShift Container Platform 4.15 415.92 earliest → < 415.92.202609140326-0 415.92.202609140326-0
Red Hat 3scale API Management Platform 2 Versions not published

References

Timeline

  1. Published
  2. Last modified

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