CVE-2020-16135: Canonical Ubuntu Linux

Medium severity, CVSS 5.9. EPSS: 4.1% chance of exploitation in the next 30 days.

libssh 0.9.4 has a NULL pointer dereference in tftpserver.c if ssh_buffer_new returns NULL.

Affected products

• Canonical Ubuntu Linux: version 16.04 only; version 18.04 only; version 20.04 only
• Debian Debian Linux: version 9.0 only
• Fedoraproject Fedora: version 32 only; version 33 only
• Libssh Libssh: version 0.9.4 only
• Oracle Communications Cloud Native Core Policy: version 1.15.0 only

Published 2020-07-29. Last modified 2026-06-17.