CVE-2015-6326: Cisco Adaptive Security Appliance Software

High severity, CVSS 7.8. EPSS: 1.9% chance of exploitation in the next 30 days.

Cisco Adaptive Security Appliance (ASA) software 7.2 and 8.2 before 8.2(5.58), 8.3 and 8.4 before 8.4(7.29), 8.5 through 8.7 before 8.7(1.17), 9.0 before 9.0(4.37), 9.1 before 9.1(6.6), 9.2 before 9.2(4), 9.3 before 9.3(3.5), and 9.4 before 9.4(1.5) allows remote attackers to cause a denial of service (device reload) via a crafted DNS response, aka Bug ID CSCuu07799.

Affected products

• Cisco Adaptive Security Appliance Software: version 7.2.1 only; version 7.2.1.9 only; version 7.2.1.13 only; version 7.2.1.19 only; version 7.2.1.24 only; version 7.2.2 only; …

Published 2015-10-25. Last modified 2026-06-17.