{"id":"CVE-2019-19963","details":"An issue was discovered in wolfSSL before 4.3.0 in a non-default configuration where DSA is enabled. DSA signing uses the BEEA algorithm during modular inversion of the nonce, leading to a side-channel attack against the nonce.","modified":"2026-04-10T04:13:13.977559Z","published":"2019-12-25T00:15:10.913Z","references":[{"type":"ADVISORY","url":"https://github.com/wolfSSL/wolfssl/releases/tag/v4.3.0-stable"},{"type":"FIX","url":"https://github.com/wolfSSL/wolfssl/commit/7e391f0fd57f2ef375b1174d752a56ce34b2b190"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/wolfssl/wolfssl","events":[{"introduced":"0"},{"fixed":"3f13b49fa318fbd3216d7da36d942e7c276d3413"},{"fixed":"7e391f0fd57f2ef375b1174d752a56ce34b2b190"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"4.3.0"}]}}],"versions":["WCv4-rng-stable","l","list","v0.5","v1.8.8.0","v1.9.0","v2.0.2","v2.0.3","v2.0.6","v2.0.8","v2.0rc1","v2.0rc2","v2.0rc2b","v2.0rc3","v2.4.2","v2.4.6","v2.4.7","v2.6.0","v2.6.2","v2.7.0","v2.7.2","v2.8.0","v2.8.2","v2.8.3","v2.8.4","v2.8.5","v2.8.5a","v2.8.6","v2.9.0","v2.9.1","v2.9.2","v2.9.4","v3.10.0-stable","v3.10.0a","v3.10.2-stable","v3.10.3","v3.11.0-stable","v3.11.1-tls13-beta","v3.12.0-stable","v3.12.2-stable","v3.13.0-stable","v3.13.2","v3.13.3","v3.14.0-stable","v3.14.0a","v3.14.0b","v3.14.2","v3.14.4","v3.15.0-stable","v3.15.3-stable","v3.15.5-stable","v3.15.5a","v3.15.6","v3.15.7-stable","v3.2.0","v3.2.4","v3.2.6","v3.3.0","v3.3.3","v3.4.0","v3.4.2","v3.4.6","v3.6.8","v3.6.9","v3.7.0","v3.7.1","v3.7.3","v3.8.0","v3.9.0","v3.9.1","v3.9.10-stable","v3.9.10b","v3.9.6","v3.9.6w","v3.9.8","v4.0.0-stable","v4.1.0-stable","v4.2.0-stable","v4.2.0c"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-19963.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"}]}