{"id":"UBUNTU-CVE-2026-41990","details":"Libgcrypt before 1.12.2 mishandles Dilithium signing. Writes to a static array lack a bounds check but do not use attacker-controlled data.","modified":"2026-05-27T14:00:05.749192351Z","published":"2026-04-23T05:16:00Z","related":["USN-8319-1"],"upstream":["CVE-2026-41990"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-41990"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-41990"},{"type":"REPORT","url":"https://www.openwall.com/lists/oss-security/2026/04/21/1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8319-1"}],"affected":[{"package":{"name":"libgcrypt20","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/libgcrypt20?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.12.0-2ubuntu0.1"}]}],"versions":["1.11.0-7build1","1.11.2-2","1.11.2-3","1.12.0-2"],"ecosystem_specific":{"binaries":[{"binary_name":"libgcrypt-bin","binary_version":"1.12.0-2ubuntu0.1"},{"binary_name":"libgcrypt20","binary_version":"1.12.0-2ubuntu0.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-41990.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L"},{"type":"Ubuntu","score":"medium"}]}