Public vulnerability disclosure
CVE-2025-49794
Libxml: heap use after free (uaf) leads to denial of service (dos)
publishedCWE-825
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.
Technical severity9.1 criticalCVSS 3.1 · CNA: redhat
Published2025-06-16Source updated 2026-11-04
Collected2026-11-042 attributed sources
Fixes and workarounds
Workaround
There's no available mitigation other than avoid processing untrusted XML documents before updating to the libxml version containing the fix.
Source: CNA: redhatAffected products and versions
| Product | Versions | Authority |
|---|---|---|
libxml2
https://gitlab.gnome.org/GNOME/libxml2/ |
≥ 0; < 2.15.0 (affected, semver)
Other versions: unaffected |
CNA: redhat |
| Red Hat Enterprise Linux 10 Red Hat libxml2
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:2.12.5-7.el10_0; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 7 Extended Lifecycle Support Red Hat libxml2
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:2.9.1-6.el7_9.10; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 8 Red Hat libxml2
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:2.9.7-21.el8_10.1; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 8.2 Advanced Update Support Red Hat libxml2
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:2.9.7-9.el8_2.3; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Red Hat libxml2
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:2.9.7-9.el8_4.6; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On Red Hat libxml2
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:2.9.7-9.el8_4.6; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Red Hat libxml2
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:2.9.7-13.el8_6.10; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 8.6 Telecommunications Update Service Red Hat libxml2
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:2.9.7-13.el8_6.10; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions Red Hat libxml2
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:2.9.7-13.el8_6.10; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 8.8 Telecommunications Update Service Red Hat libxml2
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:2.9.7-16.el8_8.9; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Red Hat libxml2
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:2.9.7-16.el8_8.9; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 9 Red Hat libxml2
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:2.9.13-10.el9_6; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions Red Hat libxml2
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:2.9.13-1.el9_0.5; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Red Hat libxml2
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:2.9.13-3.el9_2.7; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 9.4 Extended Update Support Red Hat libxml2
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:2.9.13-10.el9_4; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat JBoss Core Services 2.4.62.SP2 Red Hat libxml2
https://access.redhat.com/downloads/content/package-browser/ |
Range not reported
Other versions: unaffected |
CNA: redhat |
| Red Hat OpenShift Container Platform 4.12 Red Hat openshift/ose-rhel-coreos-8
https://access.redhat.com/downloads/content/package-browser/ |
≥ 412.86.202510291903-0; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat OpenShift Container Platform 4.13 Red Hat openshift/ose-rhel-coreos-9
https://access.redhat.com/downloads/content/package-browser/ |
≥ 413.92.202510150118-0; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat OpenShift Container Platform 4.14 Red Hat openshift/ose-rhel-coreos-9
https://access.redhat.com/downloads/content/package-browser/ |
≥ 414.92.202510211419-0; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat OpenShift Container Platform 4.15 Red Hat openshift/ose-rhel-coreos-9
https://access.redhat.com/downloads/content/package-browser/ |
≥ 415.92.202609140326-0; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat OpenShift Container Platform 4.16 Red Hat openshift/ose-rhel-coreos-9
https://access.redhat.com/downloads/content/package-browser/ |
≥ 416.94.202609011112-0; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat OpenShift Container Platform 4.17 Red Hat openshift/ose-rhel-coreos-9
https://access.redhat.com/downloads/content/package-browser/ |
≥ 417.94.202510112152-0; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat OpenShift Container Platform 4.18 Red Hat openshift/ose-rhel-coreos-9
https://access.redhat.com/downloads/content/package-browser/ |
≥ 418.94.202510230424-0; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat OpenShift Container Platform 4.19 Red Hat openshift/ose-rhel-coreos-9
https://access.redhat.com/downloads/content/package-browser/ |
≥ 4.19.9.6.202510140714-0; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat OpenShift Container Platform 4.20 Red Hat openshift/ose-rhel-coreos-9
https://access.redhat.com/downloads/content/package-browser/ |
≥ 4.20.9.6.202509251656-0; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Web Terminal 1.11 on RHEL 9 Red Hat web-terminal/web-terminal-rhel9-operator
https://catalog.redhat.com/software/containers/ |
≥ 1.11-19; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Web Terminal 1.11 on RHEL 9 Red Hat web-terminal/web-terminal-tooling-rhel9
https://catalog.redhat.com/software/containers/ |
≥ 1.11-8; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Web Terminal 1.12 on RHEL 9 Red Hat web-terminal/web-terminal-tooling-rhel9
https://catalog.redhat.com/software/containers/ |
≥ 1.12-4; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| RHOSS-1.36-RHEL-8 Red Hat openshift-serverless-1/logic-data-index-ephemeral-rhel8
https://catalog.redhat.com/software/containers/ |
≥ 1.36.0-11; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| RHOSS-1.36-RHEL-8 Red Hat openshift-serverless-1/logic-data-index-postgresql-rhel8
https://catalog.redhat.com/software/containers/ |
≥ 1.36.0-11; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| RHOSS-1.36-RHEL-8 Red Hat openshift-serverless-1/logic-db-migrator-tool-rhel8
https://catalog.redhat.com/software/containers/ |
≥ 1.36.0-11; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| RHOSS-1.36-RHEL-8 Red Hat openshift-serverless-1/logic-jobs-service-ephemeral-rhel8
https://catalog.redhat.com/software/containers/ |
≥ 1.36.0-10; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| RHOSS-1.36-RHEL-8 Red Hat openshift-serverless-1/logic-jobs-service-postgresql-rhel8
https://catalog.redhat.com/software/containers/ |
≥ 1.36.0-10; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| RHOSS-1.36-RHEL-8 Red Hat openshift-serverless-1/logic-kn-workflow-cli-artifacts-rhel8
https://catalog.redhat.com/software/containers/ |
≥ 1.36.0-4; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| RHOSS-1.36-RHEL-8 Red Hat openshift-serverless-1/logic-management-console-rhel8
https://catalog.redhat.com/software/containers/ |
≥ 1.36.0-9; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| RHOSS-1.36-RHEL-8 Red Hat openshift-serverless-1/logic-operator-bundle
https://catalog.redhat.com/software/containers/ |
≥ 1.36.0-12; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| RHOSS-1.36-RHEL-8 Red Hat openshift-serverless-1/logic-rhel8-operator
https://catalog.redhat.com/software/containers/ |
≥ 1.36.0-18; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| RHOSS-1.36-RHEL-8 Red Hat openshift-serverless-1/logic-swf-builder-rhel8
https://catalog.redhat.com/software/containers/ |
≥ 1.36.0-11; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| RHOSS-1.36-RHEL-8 Red Hat openshift-serverless-1/logic-swf-devmode-rhel8
https://catalog.redhat.com/software/containers/ |
≥ 1.36.0-7; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| cert-manager operator for Red Hat OpenShift 1.16 Red Hat cert-manager/jetstack-cert-manager-rhel9
https://catalog.redhat.com/software/containers/ |
≥ v1.16.5-1760515757; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| OpenShift File Integrity Operator - FIO 1 Red Hat compliance/openshift-file-integrity-rhel8-operator
https://catalog.redhat.com/software/containers/ |
≥ v1.3; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Hardened Images Red Hat libxml2-main
https://catalog.redhat.com/software/containers/ |
≥ 2.15.2-0.3.hum1; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Insights proxy 1.5 Red Hat insights-proxy/insights-proxy-container-rhel9
https://catalog.redhat.com/software/containers/ |
≥ 1.5.5-1754504343; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat 3scale API Management Platform 2 Red Hat 3scale-amp2/system-rhel9
https://access.redhat.com/downloads/content/package-browser/ |
Range not reported
Other versions: unaffected |
CNA: redhat |
| Red Hat 3scale API Management Platform 2 Red Hat 3scale-amp2/zync-rhel9
https://access.redhat.com/downloads/content/package-browser/ |
Range not reported
Other versions: unaffected |
CNA: redhat |
| Red Hat Enterprise Linux 6 Red Hat libxml2
https://access.redhat.com/downloads/content/package-browser/ |
Range not reported
Other versions: unknown |
CNA: redhat |
| RUGGEDCOM ROX MX5000 Siemens |
≥ 0; < V2.17.1 (affected, custom)
Other versions: unknown |
ADP: siemens-SADP |
| RUGGEDCOM ROX MX5000RE Siemens |
≥ 0; < V2.17.1 (affected, custom)
Other versions: unknown |
ADP: siemens-SADP |
| RUGGEDCOM ROX RX1400 Siemens |
≥ 0; < V2.17.1 (affected, custom)
Other versions: unknown |
ADP: siemens-SADP |
| RUGGEDCOM ROX RX1500 Siemens |
≥ 0; < V2.17.1 (affected, custom)
Other versions: unknown |
ADP: siemens-SADP |
| RUGGEDCOM ROX RX1501 Siemens |
≥ 0; < V2.17.1 (affected, custom)
Other versions: unknown |
ADP: siemens-SADP |
| RUGGEDCOM ROX RX1510 Siemens |
≥ 0; < V2.17.1 (affected, custom)
Other versions: unknown |
ADP: siemens-SADP |
| RUGGEDCOM ROX RX1511 Siemens |
≥ 0; < V2.17.1 (affected, custom)
Other versions: unknown |
ADP: siemens-SADP |
| RUGGEDCOM ROX RX1512 Siemens |
≥ 0; < V2.17.1 (affected, custom)
Other versions: unknown |
ADP: siemens-SADP |
| RUGGEDCOM ROX RX1524 Siemens |
≥ 0; < V2.17.1 (affected, custom)
Other versions: unknown |
ADP: siemens-SADP |
| RUGGEDCOM ROX RX1536 Siemens |
≥ 0; < V2.17.1 (affected, custom)
Other versions: unknown |
ADP: siemens-SADP |
| RUGGEDCOM ROX RX5000 Siemens |
≥ 0; < V2.17.1 (affected, custom)
Other versions: unknown |
ADP: siemens-SADP |
| RUGGEDCOM RST2428P Siemens |
≥ 0; < V4.0 (affected, custom)
Other versions: unknown |
ADP: siemens-SADP |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 3.1 / 9.1 critical |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H | CNA: redhat |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://access.redhat.com/errata/RHSA-2025:10630CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2025:10698CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2025:10699CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2025:11580CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2025:12098CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2025:12099CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2025:12199CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2025:12237CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2025:12239CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2025:12240CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2025:12241CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2025:13335CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2025:15397CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2025:15827CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2025:15828CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2025:18217CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2025:18218CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2025:18219CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2025:18240CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2025:19020CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2025:19041CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2025:19046CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2025:19894CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2025:21913CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:0934CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:62549CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:67857CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:7519CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2025-49794CNA: redhat · vdb-entry, x_refsource_REDHAT
- https://bugzilla.redhat.com/show_bug.cgi?id=2372373CNA: redhat · issue-tracking, x_refsource_REDHAT
- https://gitlab.gnome.org/GNOME/libxml2/-/issues/931CNA: redhat
- https://lists.debian.org/debian-lts-announce/2025/07/msg00014.htmlADP: CVE
- https://cert-portal.siemens.com/productcert/html/ssa-577017.htmlADP: siemens-SADP
- https://cert-portal.siemens.com/productcert/html/ssa-253495.htmlADP: siemens-SADP
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