CVE-2019-14317

wolfSSL and wolfCrypt 4.1.0 and earlier (formerly known as CyaSSL) generate biased DSA nonces. This allows a remote attacker to compute the long term private key from several hundred DSA signatures via a lattice attack. The issue occurs because dsa.c fixes two bits of the generated nonces.

• CWE-331

• https://www.wolfssl.com/docs/security-vulnerabilities/Patch, Vendor Advisory
• https://www.wolfssl.com/docs/security-vulnerabilities/Patch, Vendor Advisory

Published

Dec 11, 2019

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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