CVE-2026-48840 | Exim up to 4.99.3 Proxy Configuration numeric range comparison without minimum check

May 30, 2026 Yanac

A vulnerability was found in Exim up to 4.99.3. It has been classified as problematic. This issue affects some unknown processing of the component Proxy Configuration Handler. This manipulation causes numeric range comparison without minimum check.

This vulnerability appears as CVE-2026-48840. The attack may be initiated remotely. There is no available exploit.

Upgrading the affected component is recommended.VulDB Recent EntriesRead More