CVE-2019-19960: wolfSSL

Medium severity, CVSS 5.3. EPSS: 1% chance of exploitation in the next 30 days.

In wolfSSL before 4.3.0, wc_ecc_mulmod_ex does not properly resist side-channel attacks.

Affected products

• wolfSSL wolfSSL: before 4.3.0 (fixed in 4.3.0)

Published 2019-12-25. Last modified 2026-06-17.