CVE-2026-41990

medium

Description

Libgcrypt before 1.12.2 mishandles Dilithium signing. Writes to a static array lack a bounds check but do not use attacker-controlled data.

References

https://www.openwall.com/lists/oss-security/2026/04/21/1

https://lists.gnupg.org/pipermail/gnupg-announce/2026q2/000503.html

https://dev.gnupg.org/T8208

Details

Source: Mitre, NVD

Published: 2026-04-23

Updated: 2026-04-24

Risk Information

CVSS v2

Base Score: 2.6

Vector: CVSS2#AV:L/AC:H/Au:N/C:N/I:P/A:P

Severity: Low

CVSS v3

Base Score: 4

Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L

Severity: Medium

EPSS

EPSS: 0.00012