CVE-2016-4450: Canonical Ubuntu Linux

High severity, CVSS 7.5. EPSS: 16.4% chance of exploitation in the next 30 days.

os/unix/ngx_files.c in nginx before 1.10.1 and 1.11.x before 1.11.1 allows remote attackers to cause a denial of service (NULL pointer dereference and worker process crash) via a crafted request, involving writing a client request body to a temporary file.

Affected products

• Canonical Ubuntu Linux: version 14.04 only; version 15.10 only; version 16.04 only
• Debian Debian Linux: version 8.0 only
• F5 Nginx: from 1.3.9, before 1.10.1 (fixed in 1.10.1); version 1.11.0 only

Published 2016-06-07. Last modified 2026-06-17.