NEW Zimbra 8.8.15 “James Prescott Joule” Patch 8

Hello Zimbra Friends, Customers & Partners,

Patch 8 is here for the Zimbra 8.8.15 “James Prescott Joule” GA release, and it includes Security Fixes, What’s New, Fixed Issues and Known Issues as listed in the release notes.

Zimbra 8.8.15 is now fully supported on UBUNTU18 (GA).
Download the latest UBUNTU-18 binaries from

Security Fixes

Bug# Summary CVE-ID CVSS Score Zimbra Rating Fix Patch Version
N/A Earlier, any authenticated user could view a GAL contact from another domain on the same Zimbra installation. After this fix, AutoCompleteGal request does not allow access to GalSync accounts of other domains. CVE-2020-10194 8.8.15 P8

Patch Installation

For 8.8.15 Patches, you don’t need to download any patch builds. 8.8.15 Patch packages can be installed using Linux package management commands. Please refer to the release notes for Zimbra 8.8.15 Patch 8 installation on Red Hat and Ubuntu platforms.

Note: Installing a zimbra-patch package only updates the Zimbra core packages.

Thank you,
Your Zimbra Team

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