CVE-2026-41990

Public on 2026-04-23

Modified on 2026-04-25

Description

Libgcrypt before 1.12.2 mishandles Dilithium signing. Writes to a stat ...\n\nNOTE: https://www.openwall.com/lists/oss-security/2026/04/21/1\nNOTE: https://dev.gnupg.org/T8208\nNOTE: Introduced with: https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commit;h=1b422366e2b3b5438713418b50f8a0a1abf8d365 (libgcrypt-1.12.0)\nNOTE: Fixed by: https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commit;h=905e00f046a71e5670517779afaf85a354952832 (libgcrypt-1.12.2)

Severity

Medium

See what this means

CVSS v3 Base Score

4.0

See breakdown

Affected Packages

Platform	Package	Status
Amazon Linux 2 - Core	libgcrypt	Not Affected
Amazon Linux 2023	libgcrypt	Not Affected
Amazon Linux 2 - Core	libgcrypt1.8	Not Affected
Amazon Linux 2 - Core	thunderbird	Not Affected

CVSS Scores

	Score Type	Score	Vector
Amazon Linux	CVSSv3	4.0	CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L

References

FAQs regarding Amazon Linux ALAS/CVE Severity Red Hat: CVE-2026-41990 Mitre: CVE-2026-41990