CVE-2025-49794

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.
References
Link Resource
https://access.redhat.com/errata/RHSA-2025:10630
https://access.redhat.com/errata/RHSA-2025:10698
https://access.redhat.com/errata/RHSA-2025:10699
https://access.redhat.com/errata/RHSA-2025:11580
https://access.redhat.com/errata/RHSA-2025:12098
https://access.redhat.com/errata/RHSA-2025:12099
https://access.redhat.com/errata/RHSA-2025:12199
https://access.redhat.com/errata/RHSA-2025:12237
https://access.redhat.com/errata/RHSA-2025:12239
https://access.redhat.com/errata/RHSA-2025:12240
https://access.redhat.com/errata/RHSA-2025:12241
https://access.redhat.com/errata/RHSA-2025:13335
https://access.redhat.com/errata/RHSA-2025:15397
https://access.redhat.com/errata/RHSA-2025:15827
https://access.redhat.com/errata/RHSA-2025:15828
https://access.redhat.com/errata/RHSA-2025:18217
https://access.redhat.com/errata/RHSA-2025:18218
https://access.redhat.com/errata/RHSA-2025:18219
https://access.redhat.com/errata/RHSA-2025:18240
https://access.redhat.com/errata/RHSA-2025:19020
https://access.redhat.com/errata/RHSA-2025:19041
https://access.redhat.com/errata/RHSA-2025:19046
https://access.redhat.com/errata/RHSA-2025:19894
https://access.redhat.com/errata/RHSA-2025:21913
https://access.redhat.com/errata/RHSA-2026:0934
https://access.redhat.com/errata/RHSA-2026:62549
https://access.redhat.com/errata/RHSA-2026:7519
https://access.redhat.com/security/cve/CVE-2025-49794
https://bugzilla.redhat.com/show_bug.cgi?id=2372373
https://gitlab.gnome.org/GNOME/libxml2/-/issues/931
https://lists.debian.org/debian-lts-announce/2025/07/msg00014.html
https://cert-portal.siemens.com/productcert/html/ssa-253495.html
https://cert-portal.siemens.com/productcert/html/ssa-577017.html
Configurations

No configuration.

History

No history.

Information

Published : 2025-06-16 16:15

Updated : 2026-09-10 10:17


NVD link : CVE-2025-49794

Mitre link : CVE-2025-49794

CVE.ORG link : CVE-2025-49794


JSON object : View

Products Affected

No product.

CWE
CWE-825

Expired Pointer Dereference