Medium severity6.5NVD Advisory· Published Apr 23, 2026· Updated Jun 30, 2026
CVE-2026-6732
CVE-2026-6732
Description
A flaw was found in libxml2. This vulnerability occurs when the library processes a specially crafted XML Schema Definition (XSD) validated document that includes an internal entity reference. An attacker could exploit this by providing a malicious document, leading to a type confusion error that causes the application to crash. This results in a denial of service (DoS), making the affected system or application unavailable.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
16- cpe:2.3:a:redhat:hardened_images:-:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:jboss_core_services:-:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:*+ 4 more
- cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
- osv-coords2 versionspkg:rpm/opensuse/libxml2&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/libxml2-python&distro=openSUSE%20Leap%2016.0
< 2.13.8-160000.5.1+ 1 more
- (no CPE)range: < 2.13.8-160000.5.1
- (no CPE)range: < 2.13.8-160000.5.1
Patches
Vulnerability mechanics
References
5- gitlab.gnome.org/GNOME/libxml2/-/issues/1097nvdExploitIssue TrackingThird Party Advisory
- access.redhat.com/errata/RHSA-2026:11503nvdThird Party Advisory
- access.redhat.com/security/cve/CVE-2026-6732nvdThird Party Advisory
- bugzilla.redhat.com/show_bug.cginvdIssue TrackingThird Party Advisory
- gitlab.gnome.org/GNOME/libxml2/-/merge_requests/411nvdIssue TrackingThird Party Advisory
News mentions
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