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Open-Xchange releases UCS Hotfix 2011-07-21
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:
Installation of this PTF:
Please note: 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.
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:
- LibPNG (CVE-2011-2690 CVE-2011-2691 CVE-2011-2692)
Installation of this PTF:
Please note: 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