CVE-2026-24515

EUVD-2026-4424
In libexpat before 2.7.4, XML_ExternalEntityParserCreate does not copy unknown encoding handler user data.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
2.9 LOW
LOCAL
HIGH
NONE
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: 6.76%
Affected Products (NVD)
VendorProductVersion
libexpat_projectlibexpat
𝑥
< 2.7.4
𝑥
= Vulnerable software versions
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
SiemensRUGGEDCOM RST2428P
𝑥
< V4.0
ADP
Debian logo
Debian Releases
Debian Product
Codename
expat
bookworm
no-dsa
bookworm (security)
vulnerable
bullseye
postponed
bullseye (security)
vulnerable
forky
2.8.3-1
fixed
sid
2.8.3-1
fixed
trixie
vulnerable
trixie (security)
2.8.3-1~deb13u1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
xmlrpc-c
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
needs-triage
questing
ignored
resolute
needs-triage
trusty
needs-triage
xenial
ignored
wbxml2
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
needs-triage
questing
ignored
resolute
needs-triage
xenial
ignored
swish-e
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
needs-triage
questing
ignored
resolute
needs-triage
xenial
ignored
cadaver
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
needs-triage
questing
ignored
resolute
needs-triage
xenial
ignored
tdom
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
needs-triage
questing
ignored
resolute
needs-triage
xenial
ignored
apache2
bionic
not-affected
focal
not-affected
jammy
not-affected
noble
not-affected
questing
not-affected
resolute
not-affected
trusty
not-affected
xenial
not-affected
apr-util
bionic
not-affected
focal
not-affected
jammy
not-affected
noble
not-affected
questing
not-affected
resolute
not-affected
trusty
not-affected
xenial
not-affected
ayttm
jammy
dne
noble
dne
questing
dne
resolute
dne
xenial
ignored
cableswig
jammy
dne
noble
dne
questing
dne
resolute
dne
xenial
ignored
cmake
bionic
not-affected
focal
not-affected
jammy
not-affected
noble
not-affected
questing
not-affected
resolute
not-affected
xenial
not-affected
coin3
bionic
needs-triage
focal
not-affected
jammy
not-affected
noble
not-affected
questing
not-affected
resolute
not-affected
trusty
needs-triage
xenial
ignored
expat
bionic
Fixed 2.2.5-3ubuntu0.9+esm3
released
focal
Fixed 2.2.9-1ubuntu0.8+esm1
released
jammy
Fixed 2.4.7-1ubuntu0.7
released
noble
Fixed 2.6.1-2ubuntu0.4
released
questing
Fixed 2.7.1-2ubuntu0.2
released
resolute
not-affected
trusty
Fixed 2.1.0-4ubuntu1.4+esm11
released
xenial
Fixed 2.1.0-7ubuntu0.16.04.5+esm11
released
firefox
jammy
not-affected
noble
not-affected
questing
not-affected
resolute
not-affected
gdcm
bionic
needs-triage
focal
not-affected
jammy
not-affected
noble
not-affected
questing
not-affected
resolute
not-affected
trusty
not-affected
xenial
ignored
ghostscript
bionic
not-affected
focal
not-affected
jammy
not-affected
noble
not-affected
questing
not-affected
resolute
not-affected
xenial
not-affected
insighttoolkit4
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
dne
questing
dne
resolute
dne
xenial
ignored
libxmltok
bionic
Fixed 1.2-4ubuntu0.18.04.1~esm6
released
focal
Fixed 1.2-4ubuntu0.20.04.1~esm6
released
jammy
Fixed 1.2-4ubuntu0.22.04.1~esm6
released
noble
Fixed 1.2-4.1ubuntu2.24.0.4.1+esm4
released
questing
dne
resolute
dne
xenial
Fixed 1.2-3ubuntu0.16.04.1~esm5
released
matanza
bionic
needs-triage
focal
ignored
jammy
ignored
noble
ignored
questing
ignored
resolute
ignored
xenial
ignored
smart
bionic
needs-triage
jammy
dne
noble
dne
questing
dne
resolute
dne
xenial
ignored
texlive-bin
bionic
not-affected
focal
not-affected
jammy
not-affected
noble
not-affected
questing
not-affected
resolute
not-affected
xenial
not-affected
thunderbird
jammy
not-affected
noble
not-affected
questing
not-affected
resolute
not-affected
vnc4
bionic
needs-triage
jammy
dne
noble
dne
questing
dne
resolute
dne
trusty
needs-triage
xenial
ignored
vtk
jammy
dne
noble
dne
questing
dne
resolute
dne
trusty
needs-triage
xenial
ignored
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
expat
suse enterprise desktop 15 SP7
2.7.1-150700.3.9.2
fixed
suse enterprise sap 15 SP7
2.7.1-150700.3.9.2
fixed
suse enterprise server 12 SP3
2.7.1-21.49.1
fixed
suse enterprise server 15 SP4
2.7.1-150400.3.34.1
fixed
suse enterprise server 15 SP7
2.7.1-150700.3.9.2
fixed
libexpat-devel
suse enterprise desktop 15 SP7
2.7.1-150700.3.9.2
fixed
suse enterprise sap 15 SP7
2.7.1-150700.3.9.2
fixed
suse enterprise server 15 SP4
2.7.1-150400.3.34.1
fixed
suse enterprise server 15 SP7
2.7.1-150700.3.9.2
fixed
libexpat1
suse enterprise desktop 15 SP7
2.7.1-150700.3.9.2
fixed
suse enterprise sap 15 SP7
2.7.1-150700.3.9.2
fixed
suse enterprise server 12 SP3
2.7.1-21.49.1
fixed
suse enterprise server 15 SP4
2.7.1-150400.3.34.1
fixed
suse enterprise server 15 SP7
2.7.1-150700.3.9.2
fixed
libexpat1-32bit
suse enterprise desktop 15 SP7
2.7.1-150700.3.9.2
fixed
suse enterprise sap 15 SP7
2.7.1-150700.3.9.2
fixed
suse enterprise server 12 SP3
2.7.1-21.49.1
fixed
suse enterprise server 15 SP4
2.7.1-150400.3.34.1
fixed
suse enterprise server 15 SP7
2.7.1-150700.3.9.2
fixed
Azure Linux logo
Azure Linux Releases
Azure Package
Release
expat
Azure Linux 3.0
0:2.6.4-4.azl3
fixed
CBL-Mariner 2.0
0:2.6.4-3.cm2
fixed