Riskcovery

CVE-2025-49794

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

State
Published
Severity
9.1 Critical
Published
Jun 16, 2025
Updated
Oct 29, 2026
Reserved
Jun 10, 2025

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.19.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Hredhat

Weaknesses

  • CWE-825 Expired Pointer Dereference

Affected Products

ProductVersions
libxml2
  • before 2.15.0Affected
Red Hat Enterprise Linux 10Red Hat
  • 0:2.12.5-7.el10_0 and laterNot affected
Red Hat Enterprise Linux 7 Extended Lifecycle SupportRed Hat
  • 0:2.9.1-6.el7_9.10 and laterNot affected
Red Hat Enterprise Linux 8Red Hat
  • 0:2.9.7-21.el8_10.1 and laterNot affected
Red Hat Enterprise Linux 8Red Hat
  • 0:2.9.7-21.el8_10.1 and laterNot affected
Red Hat Enterprise Linux 8.2 Advanced Update SupportRed Hat
  • 0:2.9.7-9.el8_2.3 and laterNot affected
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRed Hat
  • 0:2.9.7-9.el8_4.6 and laterNot affected
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnRed Hat
  • 0:2.9.7-9.el8_4.6 and laterNot affected
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRed Hat
  • 0:2.9.7-13.el8_6.10 and laterNot affected
Red Hat Enterprise Linux 8.6 Telecommunications Update ServiceRed Hat
  • 0:2.9.7-13.el8_6.10 and laterNot affected
Red Hat Enterprise Linux 8.6 Update Services for SAP SolutionsRed Hat
  • 0:2.9.7-13.el8_6.10 and laterNot affected
Red Hat Enterprise Linux 8.8 Telecommunications Update ServiceRed Hat
  • 0:2.9.7-16.el8_8.9 and laterNot affected
Red Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRed Hat
  • 0:2.9.7-16.el8_8.9 and laterNot affected
Red Hat Enterprise Linux 9Red Hat
  • 0:2.9.13-10.el9_6 and laterNot affected
Red Hat Enterprise Linux 9Red Hat
  • 0:2.9.13-10.el9_6 and laterNot affected
Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsRed Hat
  • 0:2.9.13-1.el9_0.5 and laterNot affected
Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRed Hat
  • 0:2.9.13-3.el9_2.7 and laterNot affected
Red Hat Enterprise Linux 9.4 Extended Update SupportRed Hat
  • 0:2.9.13-10.el9_4 and laterNot affected
Red Hat JBoss Core Services 2.4.62.SP2Red Hat
    Red Hat OpenShift Container Platform 4.12Red Hat
    • 412.86.202510291903-0 and laterNot affected
    Red Hat OpenShift Container Platform 4.13Red Hat
    • 413.92.202510150118-0 and laterNot affected
    Red Hat OpenShift Container Platform 4.14Red Hat
    • 414.92.202510211419-0 and laterNot affected
    Red Hat OpenShift Container Platform 4.15Red Hat
    • 415.92.202609140326-0 and laterNot affected
    Red Hat OpenShift Container Platform 4.16Red Hat
    • 416.94.202609011112-0 and laterNot affected
    Red Hat OpenShift Container Platform 4.17Red Hat
    • 417.94.202510112152-0 and laterNot affected
    Red Hat OpenShift Container Platform 4.18Red Hat
    • 418.94.202510230424-0 and laterNot affected
    Red Hat OpenShift Container Platform 4.19Red Hat
    • 4.19.9.6.202510140714-0 and laterNot affected
    Red Hat OpenShift Container Platform 4.20Red Hat
    • 4.20.9.6.202509251656-0 and laterNot affected
    Red Hat Web Terminal 1.11 on RHEL 9Red Hat
    • 1.11-19 and laterNot affected
    Red Hat Web Terminal 1.11 on RHEL 9Red Hat
    • 1.11-8 and laterNot affected
    Red Hat Web Terminal 1.12 on RHEL 9Red Hat
    • 1.12-4 and laterNot affected
    RHOSS-1.36-RHEL-8Red Hat
    • 1.36.0-11 and laterNot affected
    RHOSS-1.36-RHEL-8Red Hat
    • 1.36.0-11 and laterNot affected
    RHOSS-1.36-RHEL-8Red Hat
    • 1.36.0-11 and laterNot affected
    RHOSS-1.36-RHEL-8Red Hat
    • 1.36.0-10 and laterNot affected
    RHOSS-1.36-RHEL-8Red Hat
    • 1.36.0-10 and laterNot affected
    RHOSS-1.36-RHEL-8Red Hat
    • 1.36.0-4 and laterNot affected
    RHOSS-1.36-RHEL-8Red Hat
    • 1.36.0-9 and laterNot affected
    RHOSS-1.36-RHEL-8Red Hat
    • 1.36.0-12 and laterNot affected
    RHOSS-1.36-RHEL-8Red Hat
    • 1.36.0-18 and laterNot affected
    RHOSS-1.36-RHEL-8Red Hat
    • 1.36.0-11 and laterNot affected
    RHOSS-1.36-RHEL-8Red Hat
    • 1.36.0-7 and laterNot affected
    cert-manager operator for Red Hat OpenShift 1.16Red Hat
    • v1.16.5-1760515757 and laterNot affected
    OpenShift File Integrity Operator - FIO 1Red Hat
    • v1.3 and laterNot affected
    Red Hat Hardened ImagesRed Hat
    • 2.15.2-0.3.hum1 and laterNot affected
    Red Hat Insights proxy 1.5Red Hat
    • 1.5.5-1754504343 and laterNot affected
    Red Hat 3scale API Management Platform 2Red Hat
      Red Hat 3scale API Management Platform 2Red Hat
        Red Hat Enterprise Linux 6Red Hat

          References

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