CVE-2026-41990: Gnupg Libgcrypt

Medium severity, CVSS 4.0. EPSS: 0.2% chance of exploitation in the next 30 days.

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

Affected products

• Gnupg Libgcrypt: from 1.12.0, before 1.12.2 (fixed in 1.12.2)

Published 2026-04-23. Last modified 2026-06-17.