CVE-2026-20021 | Cisco Secure Firewall Adaptive Security Appliance Software OSPF Protocol Parser memory leak (cisco-sa-asaftd-ospf-ZH8PhbSW)
A vulnerability was found in Cisco Secure Firewall Adaptive Security Appliance Software and Secure Firewall Threat Defense Software. It has been declared as problematic. The affected element is an unknown function of the component OSPF Protocol Parser. The manipulation results in memory leak.
This vulnerability is identified as CVE-2026-20021. The attack can only be performed from the local network. There is not any exploit available.
It is recommended to upgrade the affected component.