CVE-2026-20026 | Cisco Secure Firewall Threat Defense Software Snort 3 Detection Engine double free (cisco-sa-snort3-dcerpc-vulns-J9HNF4tH)
A vulnerability, which was classified as problematic, has been found in Cisco Secure Firewall Threat Defense Software and UTD SNORT IPS Engine Software. The impacted element is an unknown function of the component Snort 3 Detection Engine. This manipulation causes double free.
This vulnerability is tracked as CVE-2026-20026. The attack is possible to be carried out remotely. No exploit exists.
It is advisable to upgrade the affected component.