yocto ▾
›
scarthgap ▾
›
vulnerability
›
CVE-2026-76956
Component Overview
Vulnerability Overview
Name
CVE-2026-76956
Source
NVD (
link
)
Debian (
link
)
Description
In libexpat 2.8.2 and 2.8.3 before 2.8.4, misinterpretation of getentropy's return code leads to insufficient entropy, which results in being vulnerable to hash flooding attacks, causing a denial of service via crafted XML content.
CWEs
CWE-394
Published Date
Aug 20, 2026
Updated Date
Sep 8, 2026
Workaround
-
Advisories
https://github.com/libexpat/libexpat/pull/1326
Issue Tracking
https://github.com/libexpat/libexpat/pull/1329
Issue Tracking
Analysis
#
Affected Component
Analysis
expat
Exploitable
Vulnerability Ratings
#
5.9
CVSSv31
7.5
CVSSv31
NaN
other
Others affected components
#
Name
Project
Project Version
Version
Status
expat
buildroot
2025.02.x
2.8.5
Not Affected
expat
buildroot
master
2.9.0
Not Affected
expat
openwrt
master
2.8.4-r1
Not Affected
expat
openwrt
openwrt-25.12
2.8.4-r1
Not Affected
expat
yocto
kirkstone
2.5.0
Not Affected
expat
yocto
master
2.9.0
Not Affected