USN-3701-1: libsoup vulnerability

3 July 2018

libsoup2.4 vulnerability

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

  • Ubuntu 18.04 LTS
  • Ubuntu 17.10
  • Ubuntu 16.04 LTS
  • Ubuntu 14.04 LTS


libsoup could be made to crash if it received a specially crafted input.

Software Description

  • libsoup2.4 - HTTP client/server library for GNOME


It was discovered that libsoup incorrectly handled certain cookie requests. An attacker could possibly use this to cause a denial of service.

Update instructions

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

Ubuntu 18.04 LTS
libsoup2.4-1 - 2.62.1-1ubuntu0.1
Ubuntu 17.10
libsoup2.4-1 - 2.60.1-1ubuntu0.1
Ubuntu 16.04 LTS
libsoup2.4-1 - 2.52.2-1ubuntu0.3
Ubuntu 14.04 LTS
libsoup2.4-1 - 2.44.2-1ubuntu2.3

To update your system, please follow these instructions:

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