CVE-2026-20052 Cisco Secure Firewall Threat Defense Software Snort 3 Memory Management Denial of Service Vulnerability

A vulnerability in the memory management handling for the Snort 3 Detection Engine of Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to restart. This vulnerability is due to a logic error in memory management...

Cisco Firepower Threat Defense Security Vulnerability

Cisco Firepower Threat Defense FTD is a suite of unified software from Cisco that provides next-generation firewall services. A security vulnerability exists in Cisco Firepower Threat Defense that originates from a logic error when accessing a loading SSL/TLS certificate while initiating an SSL...