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CVE-2026-56408
Component Overview
Vulnerability Overview
Name
CVE-2026-56408
Source
NVD (
link
)
Debian (
link
)
Description
libexpat before 2.8.2 has an integer overflow in copyString.
CWEs
CWE-190
Published Date
Jun 21, 2026
Updated Date
Jun 23, 2026
Workaround
-
Advisories
https://github.com/libexpat/libexpat/commit/16e2efd867ea8567ffa012210b52ef5918e20817
Patch
Analysis
#
Affected Component
Analysis
expat
Exploitable
Vulnerability Ratings
#
6.9
CVSSv31
NaN
other
Others affected components
#
Name
Project
Project Version
Version
Status
expat
buildroot
2025.02.x
2.8.1
Exploitable
expat
buildroot
master
2.8.1
Exploitable
expat
openwrt
master
2.8.1-r1
Exploitable
expat
openwrt
openwrt-25.12
2.8.1-r1
Exploitable
expat
yocto
kirkstone
2.5.0
Exploitable
expat
yocto
master
2.8.1
Exploitable
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