| Package | Affected versions | Patched versions |
|---|---|---|
| secure firewall threat defense | = 7.1.0≥ 6.5.0, < 6.6.5.2≥ 7.0.0, < 7.0.2< 6.4.0.15 | 6.6.5.27.0.26.4.0.15 |
A vulnerability in the DNS inspection handler of Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service condition (DoS) on an affected device. This vulnerability is due to a lack of proper processing of incoming requests. An attacker could exploit this vulnerability by sending crafted DNS requests at a high rate to an affected device. A successful exploit could allow the attacker to cause the device to stop responding, resulting in a DoS condition.
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