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vulnerabilityCVE-2025-49794
Name
CVE-2025-49794
Source
NVD ( link)Debian ( link)
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.
Published Date
Updated Date
Workaround
-
Advisories

Analysis#


Affected Component
Analysis
libxml2
Patched

Vulnerability Ratings#


9.1
CVSSv31
NaN
other

Others affected components#


Name
Project
Project Version
Version
Status
buildroot
2025.02.x
2.15.3
Not Affected
buildroot
master
2.15.3
Not Affected
openwrt
master
2.15.3-r1
Not Affected
openwrt
openwrt-25.12
2.15.1-r1
Not Affected
yocto
kirkstone
2.9.14
Patched
yocto
master
2.15.3
Not Affected

Resolved with patches#


libxml2 (yocto:kirkstone)

#
Title
Author
Resolve
1
schematron: Fix memory safety issues in
Nick Wellnhofer <wellnhofer@aevum.de>
CVE-2025-49794
CVE-2025-49796

libxml2 (yocto:scarthgap)

#
Title
Author
Resolve
1
schematron: Fix memory safety issues in
Nick Wellnhofer <wellnhofer@aevum.de>
CVE-2025-49794
CVE-2025-49796