CVE-2026-41990

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

CVSS 3.1

4.0CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L

EPSS

0.2% chance of exploitation in the next 30 days; higher than 13% of CVEs (scores of 2026-10-26)

CWE

CWE-787

Published

2026-04-23

Modified

2026-10-26

Record from

the NVD, synced 2026-10-26

Affected

• gnupg:libgcrypt

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

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