CVE-2009-4914: Cisco ASA 5580

High severity, CVSS 7.8. EPSS: 0.7% chance of exploitation in the next 30 days.

Memory leak on Cisco Adaptive Security Appliances (ASA) 5580 series devices with software before 8.1(2) allows remote attackers to cause a denial of service (memory consumption) via Subject Alternative Name fields in an X.509 certificate, aka Bug ID CSCsq17879.

Affected products

• Cisco ASA 5580: up to and including 8.1\(1\)

Published 2010-06-29. Last modified 2026-06-16.