CVE-2026-41989

EUVD-2026-25192
Libgcrypt before 1.12.2 sometimes allows a heap-based buffer overflow and denial of service via crafted ECDH ciphertext to gcry_pk_decrypt.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.7 MEDIUM
LOCAL
HIGH
NONE
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 8%
Affected Products (NVD)
VendorProductVersion
gnupglibgcrypt
1.8.8 ≤
𝑥
< 1.10.4
gnupglibgcrypt
1.11.0 ≤
𝑥
< 1.11.3
gnupglibgcrypt
1.12.0 ≤
𝑥
< 1.12.2
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
V3.1.6 ≤
𝑥
< *
ADP
SiemensSIMATIC S7-1500 CPU 1518-4 PN/DP MFP
V3.1.5 ≤
𝑥
< *
ADP
SiemensSIMATIC S7-1500 CPU 1518-4 PN/DP MFP
V3.1.6 ≤
𝑥
< *
ADP
SiemensSIMATIC S7-1500 CPU 1518-4 PN/DP MFP
V3.1.5 ≤
𝑥
< *
ADP
SiemensSIMATIC S7-1500 CPU 1518F-4 PN/DP MFP
V3.1.6 ≤
𝑥
< *
ADP
SiemensSIMATIC S7-1500 CPU 1518F-4 PN/DP MFP
V3.1.5 ≤
𝑥
< *
ADP
SiemensSIMATIC S7-1500 CPU 1518F-4 PN/DP MFP
V3.1.6 ≤
𝑥
< *
ADP
SiemensSIMATIC S7-1500 CPU 1518F-4 PN/DP MFP
V3.1.5 ≤
𝑥
< *
ADP
SiemensSIPLUS S7-1500 CPU 1518-4 PN/DP MFP
V3.1.6 ≤
𝑥
< *
ADP
SiemensSIPLUS S7-1500 CPU 1518-4 PN/DP MFP
V3.1.5 ≤
𝑥
< *
ADP
Debian logo
Debian Releases
Debian Product
Codename
libgcrypt20
bookworm
1.10.1-3+deb12u1
fixed
bookworm (security)
1.10.1-3+deb12u1
fixed
bullseye
1.8.7-6
fixed
forky
1.12.2-1
fixed
sid
1.12.2-1
fixed
trixie
1.11.0-7+deb13u1
fixed
trixie (security)
1.11.0-7+deb13u1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
libgcrypt20
bionic
needs-triage
focal
needs-triage
jammy
Fixed 1.9.4-3ubuntu3.2
released
noble
Fixed 1.10.3-2ubuntu0.1
released
questing
Fixed 1.11.0-7ubuntu0.1
released
resolute
Fixed 1.12.0-2ubuntu0.1
released
xenial
needs-triage
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
libgcrypt-devel
suse enterprise desktop 15 SP7
1.11.0-150700.5.10.1
fixed
suse enterprise sap 15 SP7
1.11.0-150700.5.10.1
fixed
suse enterprise server 15 SP7
1.11.0-150700.5.10.1
fixed
libgcrypt20
suse enterprise desktop 15 SP7
1.11.0-150700.5.10.1
fixed
suse enterprise sap 15 SP7
1.11.0-150700.5.10.1
fixed
suse enterprise server 15 SP7
1.11.0-150700.5.10.1
fixed
libgcrypt20-32bit
suse enterprise desktop 15 SP7
1.11.0-150700.5.10.1
fixed
suse enterprise sap 15 SP7
1.11.0-150700.5.10.1
fixed
suse enterprise server 15 SP7
1.11.0-150700.5.10.1
fixed
Amazon Linux logo
Amazon Linux Releases
Amazon Package
Release
libgcrypt
Amazon Linux 2023
0:1.10.2-1.amzn2023.0.3
fixed
libgcrypt-debuginfo
Amazon Linux 2023
0:1.10.2-1.amzn2023.0.3
fixed
libgcrypt-debugsource
Amazon Linux 2023
0:1.10.2-1.amzn2023.0.3
fixed
libgcrypt-devel
Amazon Linux 2023
0:1.10.2-1.amzn2023.0.3
fixed
libgcrypt-devel-debuginfo
Amazon Linux 2023
0:1.10.2-1.amzn2023.0.3
fixed
Azure Linux logo
Azure Linux Releases
Azure Package
Release
libgcrypt
Azure Linux 3.0
0:1.10.3-2.azl3
fixed
Common Weakness Enumeration
References
https://dev.gnupg.org/T8211
https://lists.gnupg.org/pipermail/gnupg-announce/2026q2/000503.html
https://www.openwall.com/lists/oss-security/2026/04/21/1
https://cert-portal.siemens.com/productcert/html/ssa-019113.html
https://cert-portal.siemens.com/productcert/html/ssa-082556.html