PT-2026-34641 · Gnupg · Libgcrypt

Published 2026-04-23 · Updated 2026-04-23 · CVE-2026-41990

NVD

CVSS v3.1

4.0

Medium

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

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

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2026-41990

Affected Products

Libgcrypt

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-41990 · Security Note
• https://openwall.com/lists/oss-security/2026/04/21/1 · Note
• https://dev.gnupg.org/T8208 · Note
• https://lists.gnupg.org/pipermail/gnupg-announce/2026q2/000503.html · Note