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
NISTPrimary
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
Affected Products (NVD)
VendorProductVersion
gnupglibgcrypt
1.12.0 ≤
𝑥
< 1.12.2
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
libgcrypt20
bookworm
1.10.1-3
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
fixed
trixie (security)
1.11.0-7+deb13u1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
libgcrypt20
bionic
not-affected
focal
not-affected
jammy
not-affected
noble
not-affected
questing
not-affected
resolute
Fixed 1.12.0-2ubuntu0.1
released
xenial
not-affected
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