GFI Software incident
IPS Rules Causing Kerio Control 9.5 / 9.5p1 to Freeze or Crash
GFI Software experienced a major incident on July 29, 2025 affecting GFI KerioControl, lasting 1d 3h. The incident has been resolved; the full update timeline is below.
Affected components
GFI KerioControl
Update timeline
- identified Jul 29, 2025, 11:43 AM UTC
We have identified an issue in Kerio Control versions 9.5 and 9.5p1 where certain IPS rules, when triggered by specific traffic patterns, cause the system to freeze or crash. Our development team is preparing a fix that will be released via the IPS update server. As soon as the updated signatures are published, this problem will be resolved with automatic IPS updates.
- resolved Jul 30, 2025, 03:22 PM UTC
This incident has been resolved.