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CVE-2026-86141
Component Overview
Vulnerability Overview
Name
CVE-2026-86141
Source
NVD (
link
)
Debian (
link
)
Description
xmlregexp in libxml2 before 2.15.4 has a NULL pointer dereference in xmlRegNewParserCtxt after a strdup failure, i.e., it does not calculate a string length after NULL checking.
CWEs
CWE-252
Published Date
Sep 5, 2026
Updated Date
Sep 15, 2026
Workaround
-
Advisories
https://github.com/GNOME/libxml2/commit/e89a8aae4c9b40cdafcf66b3f9e57c62db37bb55
Patch
https://github.com/GNOME/libxml2/compare/v2.15.3...v2.15.4
Release Notes
https://gitlab.gnome.org/GNOME/libxml2/-/work_items/1107
Vendor Advisory
Analysis
#
Affected Component
Analysis
libxml2
Exploitable
Vulnerability Ratings
#
2.9
CVSSv31
3.3
CVSSv31
NaN
other
Others affected components
#
Name
Project
Project Version
Version
Status
libxml2
buildroot
2025.02.x
2.15.4
Not Affected
libxml2
buildroot
master
2.15.4
Not Affected
libxml2
openwrt
master
2.15.3-r1
Exploitable
libxml2
openwrt
openwrt-25.12
2.15.1-r1
Exploitable
libxml2
yocto
master
2.15.4
Not Affected
libxml2
yocto
scarthgap
2.12.10
Exploitable