Patch Security Severity: Medium Deployment Risk: Low We have released Zimbra Version 10.1.17, bringing meaningful improvements across the Modern WebClient — from how you compose and read email to how you schedule meetings — along with fixes for ZCO, mobile, and server components, and several important security patches your teams should be aware of. Zimbra 10.1.17 […]
Product Advisory: zmpurgeoldmbox May Delete External Storage Blobs After Mailbox Migration
Applies to: Zimbra Collaboration Suite 10.1.15, 10.1.16 with external object storage (Scality, S3, OpenIO) Summary A regression in ZCS 10.1.15 causes zmpurgeoldmbox to delete external blobs (Scality, S3, OpenIO) after mailbox migration, even when zimbraMailboxMoveSkipBlobs=TRUE. This results in permanent, irrecoverable email data loss on the destination server. A fix is targeted for the 10.1.17 patch release. Until then, do not run zmpurgeoldmbox after mailbox migrations if you […]
Patch Release Update: Zimbra 10.1.16
We heard you! Enhanced Backup and Restore has been a top request from your customers, and from you. We know how critical this is for your deployments, and we’re grateful you stayed with us while we delivered on the commitment we made on our product roadmap. Stay tuned — more of those roadmap features are […]
Patch Release Update: Zimbra 10.1.15
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scripting (XSS) vulnerability and enhances protection by upgrading AntiSamy to version 1.7.8 and removing the outdated code.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 […]