USN-4100-1: KConfig and KDE libraries vulnerabilities

16 August 2019

kconfig, kde4libs vulnerabilities

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

  • Ubuntu 19.04
  • Ubuntu 18.04 LTS
  • Ubuntu 16.04 LTS


KConfig and KDE libraries could be made to crash or run programs if it opened a specially crafted file.

Software Description

  • kconfig - configuration settings framework for Qt
  • kde4libs - KDE 4 core applications and libraries


It was discovered that KConfig and KDE libraries have a vulnerability where an attacker could hide malicious code under desktop and configuration files. (CVE-2019-14744)

It was discovered that KConfig allows remote attackers to write to arbitrary files via a ../ in a filename in an archive file. (CVE-2016-6232)

Update instructions

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

Ubuntu 19.04
libkdecore5 - 4:4.14.38-0ubuntu6.1
libkf5configcore5 - 5.56.0-0ubuntu1.1
Ubuntu 18.04 LTS
libkdecore5 - 4:4.14.38-0ubuntu3.1
libkf5configcore5 - 5.44.0-0ubuntu1.1
Ubuntu 16.04 LTS
libkdecore5 - 4:4.14.16-0ubuntu3.3
libkf5configcore5 - 5.18.0-0ubuntu1.1

To update your system, please follow these instructions:

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