Exim security advisory (AV26-737)

Serial number: AV26-737
Date: July 22, 2026

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.

• Exim Security Advisory for EXIM-Security-2026-06-22.1 / GCVE-25-2026-07-45-1
• Exim Internet Mailer