CVE-2019-19963

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CVSS 3.1

5.3 medium

EPSS

<1%p59

Published

Dec 25, 2019 (Dec 25, 2019)

Modified

Jun 17, 2026

Description

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.

Vendors: wolfssl
Products: wolfssl
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (1.0%)

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