CVE-2026-20197 | Cisco Snort Teredo Detection Engine denial of service

October 21, 2026 Yanac

A vulnerability classified as critical has been found in Cisco Snort. Affected is an unknown function of the component Teredo Detection Engine. This manipulation causes denial of service.

This vulnerability is registered as CVE-2026-20197. Remote exploitation of the attack is possible. No exploit is available.

It is recommended to upgrade the affected component.VulDB Recent EntriesRead More