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vulnerabilityCVE-2026-56412
Name
CVE-2026-56412
Source
NVD ( link)Debian ( link)
Description
libexpat before 2.8.2 does not consider XML_TOK_DATA_CHARS in doCdataSection and thus lacks handler call depth tracking for various calls from within handlers in cases of a policy violation. Thus, a use-after-free can occur. NOTE: this issue exists because of an incomplete fix for CVE-2026-50219.
Published Date
Updated Date
Workaround
-

Analysis#


Affected Component
Analysis
expat
Exploitable

Vulnerability Ratings#


4.9
CVSSv31
5.9
CVSSv31
NaN
other

Others affected components#


Name
Project
Project Version
Version
Status
buildroot
2025.02.x
2.8.1
Exploitable
buildroot
master
2.8.1
Exploitable
openwrt
master
2.8.1-r1
Exploitable
openwrt
openwrt-25.12
2.8.1-r1
Exploitable
yocto
kirkstone
2.5.0
Exploitable
yocto
master
2.8.1
Exploitable