NEW Zimbra 8.8.15 “James Prescott Joule” Patch 7

Hello Zimbra Friends, Customers & Partners,

Patch 7 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 Revoked share calendars are now being removed from OLK profile. CVE-2020-8633 8.8.15 P7
N/A Potential for SSRF if WebEx zimlet installed and zimlet JSP enabled CVE-2020-7796 8.8.15 P7

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 7 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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