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.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:NConfidentialityNone
I:HIntegrityHigh
A:HAvailabilityHigh
Weaknesses
Affected Products
Red Hat Inc.
commercial·USaka Red Hat
АО «НТЦ ИТ РОСА»
commercial·RU
ООО «РусБИТех-Астра»
commercial·RUaka rusbitech-astra
ООО «Ред Софт»
commercial·RUaka red soft
АО «СберТех»
commercial·RUaka сбертех, ao sbertech
and 27 more affected products View all →
Exploitability
Official Patch Available
Workaround Available
References
https://access.redhat.com/errata/RHSA-2025:10630
access.redhat.com
https://access.redhat.com/errata/RHSA-2025:10698
access.redhat.com
https://access.redhat.com/errata/RHSA-2025:10699
access.redhat.com
and 194 more references View all →
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