CVE-2026-41990

State: Published
Severity: 4.0 Medium
Published: Apr 23, 2026
Updated: Apr 23, 2026
Reserved: Apr 23, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	4.0 Medium	CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L	mitre

Weaknesses

CWE-787 Out-of-bounds Write

Affected Products

Product	Versions
Libgcryptgnupg	1.12.0 to before 1.12.2Affected

References

https://lists.gnupg.org/pipermail/gnupg-announce/2026q2/000503.html
https://www.openwall.com/lists/oss-security/2026/04/21/1
https://dev.gnupg.org/T8208

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