CVE-2019-6439: wolfSSL

Critical severity, CVSS 9.8. EPSS: 2.6% chance of exploitation in the next 30 days.

examples/benchmark/tls_bench.c in a benchmark tool in wolfSSL through 3.15.7 has a heap-based buffer overflow.

Affected products

• wolfSSL wolfSSL: up to and including 3.15.7

Published 2019-01-16. Last modified 2026-06-17.