GFI Software incident

Increased Memory Usage in Kerio Control 9.6.1

Major Resolved View vendor source →

GFI Software experienced a major incident on April 27, 2026 affecting GFI KerioControl, lasting 7d 13h. The incident has been resolved; the full update timeline is below.

Started
Apr 27, 2026, 10:50 AM UTC
Resolved
May 05, 2026, 12:29 AM UTC
Duration
7d 13h
Detected by Pingoru
Apr 27, 2026, 10:50 AM UTC

Affected components

GFI KerioControl

Update timeline

  1. investigating Apr 27, 2026, 10:50 AM UTC

    We are investigating an issue in Kerio Control 9.6.1 build 9227 causing increasing memory usage and potential performance degradation. Our Engineering team is actively analyzing the issue and working on a mitigation.

  2. investigating Apr 27, 2026, 11:43 PM UTC

    We are still investigating the issue observed in Kerio Control 9.6.1 build 9227, where memory usage may gradually increase over time and potentially impact performance. At this time, our Engineering team continues to analyze the behavior and evaluate possible mitigation options. We do not have a confirmed fix or ETA yet, but the case remains under active review. We will continue investigating and will share any relevant updates as soon as more information becomes available.

  3. investigating Apr 28, 2026, 06:54 AM UTC

    The Engineering team continues to analyze the behavior and evaluate possible mitigation options. We do not have a confirmed fix or ETA yet, but the case remains under active review. We will continue investigating and will share any relevant updates as soon as more information becomes available.

  4. monitoring Apr 29, 2026, 04:25 AM UTC

    - A fix has been implemented by our Development team and is available for download here - https://drive.google.com/drive/folders/1cOe9UtkliJ4gbkaoWljzrRf3JlwlvTfS - You can apply this fix using steps from the 'Upgrading Kerio Control' Knowledge Base article - https://support.keriocontrol.gfi.com/article/116539-upgrading-kerio-control - We will monitor this.

  5. monitoring Apr 30, 2026, 03:21 AM UTC

    No issues have been reported. We are continuing to monitor.

  6. monitoring May 01, 2026, 04:02 AM UTC

    We're keeping a close eye on things. No issues related to the increasing memory reported.

  7. monitoring May 02, 2026, 05:12 AM UTC

    No new issues reported since the fix has been made available. We will continue to monitor.

  8. monitoring May 03, 2026, 04:30 AM UTC

    We have seen no further issues since the fix. If you observe any further issues we encourage you to reach out with logs.

  9. monitoring May 03, 2026, 10:45 AM UTC

    Things continue to work as expected after the fix being applied. We are continuing to monitor.

  10. resolved May 05, 2026, 12:29 AM UTC

    This incident has been resolved. If you still face issues, please contact our support team at: https://support.keriocontrol.gfi.com