| Package | Affected versions | Patched versions |
|---|---|---|
| secure firewall threat defense | ≥ 6.2.2, < 6.4.0.12≥ 6.5.0, < 6.6.4≥ 6.7.0, < 6.7.0.2 | 6.4.0.126.6.46.7.0.2 |
A vulnerability in the SIP inspection engine of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a crash and reload of an affected device, resulting in a denial of service (DoS) condition.The vulnerability is due to a crash that occurs during a hash lookup for a SIP pinhole connection. An attacker could exploit this vulnerability by sending crafted SIP traffic through an affected device. A successful exploit could allow the attacker to cause a crash and reload of the affected device.
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