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CVE-2026-6653
Component Overview
Vulnerability Overview
Name
CVE-2026-6653
Source
NVD (
link
)
Debian (
link
)
Description
Use After Free in libxml2's xmlParseInternalSubset from GNOME libxml2 version 2.9.11 to 2.11.0 allows a remote attacker to cause a denial-of-service via maliciously crafted XML input with improper entity resolution handling.
CWEs
CWE-416
Published Date
Jun 22, 2026
Updated Date
Jul 14, 2026
Workaround
-
Advisories
https://bugs.launchpad.net/ubuntu/+source/libxml2/+bug/2141260
Exploit
https://gitlab.gnome.org/GNOME/libxml2/-/work_items/1058
Exploit
Analysis
#
Affected Component
Analysis
libxml2
Exploitable
Vulnerability Ratings
#
7
CVSSv4
9.8
CVSSv31
NaN
other
Others affected components
#
Name
Project
Project Version
Version
Status
libxml2
buildroot
2025.02.x
2.15.3
Not Affected
libxml2
buildroot
master
2.15.3
Not Affected
libxml2
openwrt
master
2.15.3-r1
Not Affected
libxml2
openwrt
openwrt-25.12
2.15.1-r1
Not Affected
libxml2
yocto
master
2.15.3
Not Affected
libxml2
yocto
scarthgap
2.12.10
Not Affected