USN-4235-2: nginx vulnerability

15 January 2020

nginx vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 14.04 ESM


nginx could be made to expose sensitive information over the network.

Software Description

  • nginx - small, powerful, scalable web/proxy server


USN-4235-1 fixed a vulnerability in nginx. This update provides the corresponding update for Ubuntu 14.04 ESM.

Original advisory details:

Bert JW Regeer and Francisco Oca Gonzalez discovered that nginx incorrectly handled certain error_page configurations. A remote attacker could possibly use this issue to perform HTTP request smuggling attacks and access resources contrary to expectations.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 14.04 ESM
nginx-common - 1.4.6-1ubuntu3.9+esm1
nginx-core - 1.4.6-1ubuntu3.9+esm1
nginx-extras - 1.4.6-1ubuntu3.9+esm1
nginx-full - 1.4.6-1ubuntu3.9+esm1
nginx-light - 1.4.6-1ubuntu3.9+esm1

To update your system, please follow these instructions:

In general, a standard system update will make all the necessary changes.