Patch Security Severity: Low Deployment Risk: Low We have released Zimbra Version 10.1.15, improving email rendering compatibility while maintaining critical security protections. Zimbra 10.1.15 (Release Notes) We strongly recommend all admins and users to upgrade to Zimbra 10.1.15 for improved stability and enhanced email compatibility. End of Life Notice: 10.0 Zimbra 10.0 will reach End of […]
Emergency Patch Release: Zimbra 10.1.14
EMERGENCY SECURITY PATCH We have released Zimbra Version 10.1.14 to address a critical issue in Version 10.1.13 that impacts IMAP synchronization across multi-server Zimbra environments, causing incorrect message display and synchronization failures. For complete details and implementation guidance, please refer to our release notes: Zimbra 10.1.14 (Release Notes) Customers on Version 10.1.13 Patch Security Severity: Low […]
Patch Release Update: Zimbra 10.1.13, 10.0.18
Patch Security Severity: High Deployment Risk: Medium This patch fixes a stored cross-site scripting (XSS) vulnerability and enhances protection by upgrading AntiSamy to version 1.7.8 and removing the outdated code. It includes critical fixes and user experience improvements for the following editions: Zimbra 10.1.13 (Release Notes) Zimbra 10.0.18 (Release Notes) We recommend all administrators and users […]
Emergency Patch Release: Zimbra 10.1.12
EMERGENCY SECURITY PATCH Patch Security Severity: High Deployment Risk: Low This patch fixes a critical security vulnerability related to a Server-Side Request Forgery (SSFR) in the chat proxy configuration. We recommend all users and administrators, especially those on Zimbra versions 10.1.5 to 10.1.11 to apply this update immediately. It will strengthen your system’s stability and ensures […]
Patch Release Update: Zimbra 10.1.11, 10.0.17
Patch Security Severity: Low Deployment Risk: Low This patch updated on August 8th, 2025 includes hotfix for the following editions: Zimbra 10.1.11 (Release Notes) Zimbra 10.0.17 (Release Notes) Hotfix for 10.1.11 & 10.0.17 ActiveSync: Resolves an issue that was affecting the iOS Mail app, ensuring improved functionality for all users. We recommend applying this hotfix for a […]
Patch Release Update: Zimbra 10.1.10, 10.0.16
Patch Security Severity: Medium Deployment Risk: Low This patch updated on July 18th, 2025 focuses on essential fixes and user experience improvements for the following editions: Zimbra 10.1.10 (Release Notes) Zimbra Daffodil 10.0.16 (Release Notes) End of Life (EOL) Notice Zimbra Daffodil 10.0: Zimbra Daffodil 10.0 reached the end of General Support on June 30th, […]