Open-Xchange releases UCS Hotfix 2011-10-06

This release provides a security update of Univention Corporate Server 2.4 which is integrated at Open-Xchange Advanced Server Edition and Open-Xchange Server Edition for UCS. We encourage administrators to install this update. The Hotfix is available for all customers with a valid Open-Xchange license.

Fixed Components:
  • cpio (CVE-2010-0624)
  • Poppler (CVE-2010-3702 CVE-2010-3704)
  • Subversion (CVE-2009-2411 CVE-2010-3315 CVE-2011-0715 CVE-2010-4539 CVE-2010-4644 CVE-2011-1752 CVE-2011-1783 CVE-2011-1921)

Installation of this Hotfix Release:
It is necessary to activate the installation of Hotfixes. Please note the following step at

The system can be updated as usual for UCS using the univention-updater net command or the UMC module Online Update.
  • Please enter your username/password first under the component called „OX" and activate it.
  • In the online-updates module of UMC, under Release information, there is provided the new update
  • Click on "Install this update"
  • Reboot