Original release date: February 17, 2022
Cisco has released security updates to address a vulnerability affecting Cisco Email Security Appliance. A remote attacker could exploit this vulnerability to cause a denial-of-service condition. For updates addressing lower severity vulnerabilities, see the Cisco Security Advisories page.
CISA encourages users and administrators to review Cisco Advisory cisco-sa-esa-dos-MxZvGtgU and apply the necessary updates or workarounds.