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CVE-2026-41080
Component Overview
Vulnerability Overview
Name
CVE-2026-41080
Source
NVD (
link
)
Debian (
link
)
Description
libexpat before 2.8.0 uses insufficient entropy, and thus hash flooding can occur via a crafted XML document.
CWEs
CWE-331
Published Date
Apr 16, 2026
Updated Date
Jun 17, 2026
Workaround
-
Advisories
https://blog.hartwork.org/posts/expat-2-8-0-released/
Release Notes
https://github.com/libexpat/libexpat/issues/47
Issue Tracking
https://github.com/libexpat/libexpat/pull/1183
Issue Tracking
https://www.openwall.com/lists/oss-security/2026/04/26/1
Mailing List
http://www.openwall.com/lists/oss-security/2026/04/26/1
Mailing List
Analysis
#
Affected Component
Analysis
expat
Exploitable
Vulnerability Ratings
#
2.9
CVSSv31
7.5
CVSSv31
NaN
other
Others affected components
#
Name
Project
Project Version
Version
Status
expat
buildroot
2025.02.x
2.8.1
Not Affected
expat
buildroot
master
2.8.1
Not Affected
expat
openwrt
master
2.8.1-r1
Not Affected
expat
openwrt
openwrt-25.12
2.8.1-r1
Not Affected
expat
yocto
master
2.8.1
Not Affected
expat
yocto
scarthgap
2.6.4
Exploitable