CVE-2026-20218 Cisco Secure Firewall Threat Defense Snort 3 Visual Basic for Applications Buffer Overflow Denial of Service Vulnerability

A vulnerability in the Snort 3 Visual Basic for Applications VBA Decompression Engine of multiple Cisco products could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to restart unexpectedly, resulting in a denial of service DoS condition. This vulnerability is due...