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Outage in Liquid Web

ClamAV Service Disruption

Resolved Major
March 16, 2026 - Started 4 days ago - Lasted 3 days
Official incident page

Incident Report

Summary AI Generated

Liquid Web experienced a 68.4-hour ClamAV service disruption caused by an invalid entry in a malware signature update that prevented the clamd service from restarting successfully. The issue affected CPanel components, causing Maldet scan failures and mail delivery problems when the ClamAV service was not running. The incident was resolved by automating signature database updates across all impacted servers to remove the invalid entry and restore normal ClamAV operation.

We are currently investigating an issue affecting the ClamAV service, where clamd restarts may fail due to a problematic signature update. Our System Engineering team is actively working to identify the root cause and implement a fix. This issue may affect Maldet scans and cause mail delivery failures if the ClamAV service is not running.
Components affected
Liquid Web CPanel

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Latest Updates ( sorted recent to last )
RESOLVED 1 day ago - at 03/19/2026 01:46PM

The ClamAV signature updates have been successfully applied, and systems are operating as expected.

We will continue to monitor as part of normal operations.

If you have any questions, please chat with us or create a support ticket via my.liquidweb.com.

We appreciate your patience and understanding.

IDENTIFIED 2 days ago - at 03/18/2026 01:55PM

We have automated the ClamAV signature database updates for all impacted servers, and the deployment is currently still in progress.

Based on the results so far, systems appear to have already received the updated signatures and are functioning as expected. We are continuing to monitor the automation to ensure completion across all hosts.

We will provide a final update once the process has fully completed.

If you have any questions, please chat with us or create a support ticket via my.liquidweb.com.

We appreciate your patience and understanding.

IDENTIFIED 4 days ago - at 03/17/2026 06:06AM

We have automated the ClamAV signature database updates for all impacted servers. Deployment is currently underway, and we will provide another update once the process is completed.

If you have any questions, please chat with us or create a support ticket via my.liquidweb.com.
We appreciate your patience and understanding.

IDENTIFIED 4 days ago - at 03/16/2026 06:07PM

We have identified the cause of the issue affecting the ClamAV service. A recent malware signature update introduced an invalid entry in the ClamAV signature database, which can prevent the clamd service from restarting successfully.

Our team is currently applying a signature database refresh on affected servers to remove the invalid entry and restore normal operation of the ClamAV service.

We are currently applying this fix across all affected servers and will provide another update once the process is completed.

INVESTIGATING 4 days ago - at 03/16/2026 05:22PM

We are currently investigating an issue affecting the ClamAV service, where clamd restarts may fail due to a problematic signature update. Our System Engineering team is actively working to identify the root cause and implement a fix.

This issue may affect Maldet scans and cause mail delivery failures if the ClamAV service is not running.

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