CVE-2026-20011 | Cisco Snort 3 SMTP MIME Decoder input validation

October 21, 2026 Yanac

A vulnerability labeled as critical has been found in Cisco Snort 3. The impacted element is an unknown function of the component SMTP MIME Decoder. Executing a manipulation can lead to improper input validation.

This vulnerability is tracked as CVE-2026-20011. The attack can be launched remotely. No exploit exists.

The affected component should be upgraded.VulDB Recent EntriesRead More