Exim security advisory (AV26-737)

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        <div><p><strong>Serial number: </strong>AV26-737<br /><strong>Date: </strong>July&nbsp;22, 2026</p>

On July 22, 2026, Exim published a security advisory to address a vulnerability in the following product:

  • Exim – version 4.88 to 4.99.4

The Cyber Centre encourages users and administrators to review the provided web links and apply the necessary updates.

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Article Link: Exim security advisory (AV26-737) - Canadian Centre for Cyber Security