CVE-2026-41990

EUVD-2026-25193
Libgcrypt before 1.12.2 mishandles Dilithium signing. Writes to a static array lack a bounds check but do not use attacker-controlled data.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
mitreCNA
4 MEDIUM
LOCAL
HIGH
NONE
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
gnupglibgcrypt
1.12.0 ≤
𝑥
< 1.12.2
CNA
Debian logo
Debian Releases
Debian Product
Codename
libgcrypt20
bookworm
1.10.1-3
fixed
bullseye
1.8.7-6
fixed
forky
vulnerable
sid
1.12.2-1
fixed
trixie
1.11.0-7
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
libgcrypt20
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
needs-triage
questing
needs-triage
resolute
needs-triage
xenial
needs-triage
Common Weakness Enumeration
References
https://dev.gnupg.org/T8208
https://lists.gnupg.org/pipermail/gnupg-announce/2026q2/000503.html
https://www.openwall.com/lists/oss-security/2026/04/21/1