CVE-2019-19272: ProFTPD

High severity, CVSS 7.5. EPSS: 0.9% chance of exploitation in the next 30 days.

An issue was discovered in tls_verify_crl in ProFTPD before 1.3.6. Direct dereference of a NULL pointer (a variable initialized to NULL) leads to a crash when validating the certificate of a client connecting to the server in a TLS client/server mutual-authentication setup.

Affected products

• ProFTPD ProFTPD: before 1.3.6 (fixed in 1.3.6)

Published 2019-11-26. Last modified 2026-06-17.