CVE-2016-1247: F5 Nginx

High severity, CVSS 7.8. EPSS: 4.9% chance of exploitation in the next 30 days.

The nginx package before 1.6.2-5+deb8u3 on Debian jessie, the nginx packages before 1.4.6-1ubuntu3.6 on Ubuntu 14.04 LTS, before 1.10.0-0ubuntu0.16.04.3 on Ubuntu 16.04 LTS, and before 1.10.1-0ubuntu1.1 on Ubuntu 16.10, and the nginx ebuild before 1.10.2-r3 on Gentoo allow local users with access to the web server user account to gain root privileges via a symlink attack on the error log.

Affected products

  • F5 Nginx: up to and including 1.10.1; up to and including 1.10.0; up to and including 1.6.2; up to and including 1.4.3
  • Fedoraproject Fedora: version 33 only; version 34 only; version 35 only

Published 2016-11-29. Last modified 2026-06-17.