CVE-2026-32778

EUVD-2026-12351
libexpat before 2.7.5 allows a NULL pointer dereference in the function setContext on retry after an earlier ouf-of-memory condition.
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%
Affected Products (NVD)
VendorProductVersion
libexpat_projectlibexpat
𝑥
< 2.7.5
𝑥
= Vulnerable software versions
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
SiemensSIMATIC S7-1500 CPU 1518-4 PN/DP MFP
V3.1.5 ≤
𝑥
< V3.1.6
ADP
SiemensSIMATIC S7-1500 CPU 1518-4 PN/DP MFP
V3.1.5 ≤
𝑥
< V3.1.6
ADP
SiemensSIMATIC S7-1500 CPU 1518F-4 PN/DP MFP
V3.1.5 ≤
𝑥
< V3.1.6
ADP
SiemensSIMATIC S7-1500 CPU 1518F-4 PN/DP MFP
V3.1.5 ≤
𝑥
< V3.1.6
ADP
SiemensSIPLUS S7-1500 CPU 1518-4 PN/DP MFP
V3.1.5 ≤
𝑥
< V3.1.6
ADP
Debian logo
Debian Releases
Debian Product
Codename
expat
bookworm
no-dsa
bookworm (security)
vulnerable
bullseye
postponed
bullseye (security)
vulnerable
forky
2.8.2-1
fixed
sid
2.8.2-1
fixed
trixie
no-dsa
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
expat
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
needs-triage
questing
ignored
resolute
needs-triage
trusty
needs-triage
xenial
needs-triage
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
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
needs-triage
focal
needs-triage
jammy
needs-triage
noble
needs-triage
questing
dne
resolute
dne
xenial
ignored
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
2.7.1-150700.3.12.1
fixed
suse enterprise sap 15 SP4
2.7.1-150400.3.37.1
fixed
suse enterprise sap 15 SP5
2.7.1-150400.3.37.1
fixed
suse enterprise sap 15 SP7
2.7.1-150700.3.12.1
fixed
suse enterprise server 12 SP3
2.7.1-21.52.1
fixed
suse enterprise server 12 SP5
2.7.1-21.52.1
fixed
suse enterprise server 15 SP4
2.7.1-150400.3.37.1
fixed
suse enterprise server 15 SP5
2.7.1-150400.3.37.1
fixed
suse enterprise server 15 SP6
2.7.1-150400.3.37.1
fixed
suse enterprise server 15 SP7
2.7.1-150700.3.12.1
fixed
libexpat-devel
suse enterprise desktop 15 SP7
2.7.1-150700.3.12.1
fixed
suse enterprise sap 15 SP4
2.7.1-150400.3.37.1
fixed
suse enterprise sap 15 SP5
2.7.1-150400.3.37.1
fixed
suse enterprise sap 15 SP7
2.7.1-150700.3.12.1
fixed
suse enterprise server 12 SP5
2.7.1-21.52.1
fixed
suse enterprise server 15 SP4
2.7.1-150400.3.37.1
fixed
suse enterprise server 15 SP5
2.7.1-150400.3.37.1
fixed
suse enterprise server 15 SP6
2.7.1-150400.3.37.1
fixed
suse enterprise server 15 SP7
2.7.1-150700.3.12.1
fixed
libexpat1
suse enterprise desktop 15 SP7
2.7.1-150700.3.12.1
fixed
suse enterprise sap 15 SP4
2.7.1-150400.3.37.1
fixed
suse enterprise sap 15 SP5
2.7.1-150400.3.37.1
fixed
suse enterprise sap 15 SP7
2.7.1-150700.3.12.1
fixed
suse enterprise server 12 SP3
2.7.1-21.52.1
fixed
suse enterprise server 12 SP5
2.7.1-21.52.1
fixed
suse enterprise server 15 SP4
2.7.1-150400.3.37.1
fixed
suse enterprise server 15 SP5
2.7.1-150400.3.37.1
fixed
suse enterprise server 15 SP6
2.7.1-150400.3.37.1
fixed
suse enterprise server 15 SP7
2.7.1-150700.3.12.1
fixed
libexpat1-32bit
suse enterprise desktop 15 SP7
2.7.1-150700.3.12.1
fixed
suse enterprise sap 15 SP4
2.7.1-150400.3.37.1
fixed
suse enterprise sap 15 SP5
2.7.1-150400.3.37.1
fixed
suse enterprise sap 15 SP7
2.7.1-150700.3.12.1
fixed
suse enterprise server 12 SP3
2.7.1-21.52.1
fixed
suse enterprise server 12 SP5
2.7.1-21.52.1
fixed
suse enterprise server 15 SP4
2.7.1-150400.3.37.1
fixed
suse enterprise server 15 SP5
2.7.1-150400.3.37.1
fixed
suse enterprise server 15 SP6
2.7.1-150400.3.37.1
fixed
suse enterprise server 15 SP7
2.7.1-150700.3.12.1
fixed
libmozjs-115-0
suse enterprise desktop 15 SP7
115.4.0-150600.3.14.1
fixed
suse enterprise sap 15 SP7
115.4.0-150600.3.14.1
fixed
suse enterprise server 15 SP6
115.4.0-150600.3.14.1
fixed
suse enterprise server 15 SP7
115.4.0-150600.3.14.1
fixed
libmozjs-60
suse enterprise desktop 15 SP7
60.9.0-150200.6.11.1
fixed
suse enterprise sap 15 SP4
60.9.0-150200.6.11.1
fixed
suse enterprise sap 15 SP5
60.9.0-150200.6.11.1
fixed
suse enterprise sap 15 SP7
60.9.0-150200.6.11.1
fixed
suse enterprise server 15 SP4
60.9.0-150200.6.11.1
fixed
suse enterprise server 15 SP5
60.9.0-150200.6.11.1
fixed
suse enterprise server 15 SP6
60.9.0-150200.6.11.1
fixed
suse enterprise server 15 SP7
60.9.0-150200.6.11.1
fixed
libmozjs-78-0
suse enterprise sap 15 SP4
78.15.0-150400.3.17.1
fixed
suse enterprise sap 15 SP5
78.15.0-150400.3.17.1
fixed
suse enterprise server 15 SP4
78.15.0-150400.3.17.1
fixed
suse enterprise server 15 SP5
78.15.0-150400.3.17.1
fixed
mozjs115-devel
suse enterprise desktop 15 SP7
115.4.0-150600.3.14.1
fixed
suse enterprise sap 15 SP7
115.4.0-150600.3.14.1
fixed
suse enterprise server 15 SP6
115.4.0-150600.3.14.1
fixed
suse enterprise server 15 SP7
115.4.0-150600.3.14.1
fixed
mozjs60-devel
suse enterprise desktop 15 SP7
60.9.0-150200.6.11.1
fixed
suse enterprise sap 15 SP4
60.9.0-150200.6.11.1
fixed
suse enterprise sap 15 SP5
60.9.0-150200.6.11.1
fixed
suse enterprise sap 15 SP7
60.9.0-150200.6.11.1
fixed
suse enterprise server 15 SP4
60.9.0-150200.6.11.1
fixed
suse enterprise server 15 SP5
60.9.0-150200.6.11.1
fixed
suse enterprise server 15 SP6
60.9.0-150200.6.11.1
fixed
suse enterprise server 15 SP7
60.9.0-150200.6.11.1
fixed
mozjs78-devel
suse enterprise sap 15 SP4
78.15.0-150400.3.17.1
fixed
suse enterprise sap 15 SP5
78.15.0-150400.3.17.1
fixed
suse enterprise server 15 SP4
78.15.0-150400.3.17.1
fixed
suse enterprise server 15 SP5
78.15.0-150400.3.17.1
fixed
Amazon Linux logo
Amazon Linux Releases
Amazon Package
Release
firefox
Amazon Linux 2023
0:140.8.0-1.amzn2023.0.2
fixed
firefox-debuginfo
Amazon Linux 2023
0:140.8.0-1.amzn2023.0.2
fixed
firefox-debugsource
Amazon Linux 2023
0:140.8.0-1.amzn2023.0.2
fixed
thunderbird
Amazon Linux 2
0:140.8.0-1.amzn2.0.2
fixed
Azure Linux logo
Azure Linux Releases
Azure Package
Release
expat
Azure Linux 3.0
0:2.6.4-5.azl3
fixed
Common Weakness Enumeration
References
https://github.com/libexpat/libexpat/pull/1159
https://github.com/libexpat/libexpat/pull/1163
https://cert-portal.siemens.com/productcert/html/ssa-082556.html