Zimbra has published a security advisory to address vulnerabilities affecting multiple versions on the 13th of October 2022. It is recommended that you take the necessary precautions to ensure your products are always protected.
Zimbra 9.0.0 Patch 27
Zimbra 8.8.15 Patch 34
For more information on these updates, you can follow this URL:
https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P27t
The Guyana National CIRT recommends that users and administrators review these updates and apply them where necessary.
PDF Download: Zimbra Security Advisory.pdf
References
Zimbra Collaboration Kepler 9.0.0 Patch 27 GA Release. (13th of October 2022). Reviewed from Zimbra:
https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P27t
Zimbra Releases Patch for Actively Exploited Vulnerability in its Collaboration Suite. (17th of October 2022). Reviewed from The Hacker News:
https://thehackernews.com/2022/10/zimbra-releases-patch-for-actively.html