CVE-2026-41990

CVE-2026-41990

CVSS 4 MEDIUMEPSS 0.2%CWE-787

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

Affected products

gnupg · Libgcrypt

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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