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Cisco 3000 Series Industrial Security Appliances（ISR）等都是美国思科（Cisco）公司的安全防火墙设备。Firepower System Software是使用在其中的一套防火墙软件。 多款Cisco产品中的Firepower System Software 6.0.1版本、6.1.0版本、6.2.0版本和6.2.1版本的检测引擎解析IPv6数据包的过程存在安全漏洞，该漏洞源于程序没有对IPv6扩展包头数据包中的字段执行输入验证。远程攻击者可通过向检测引擎发送恶意的IPv6数据包利用该漏洞造成拒绝服务（CPU大量占用）。以下产品受到影响：Cisco 3000 Series Industrial Security Appliances (ISR)；Adaptive Security Appliance (ASA) 5500-X Series with FirePOWER Services；Adaptive Security Appliance (ASA) 5500-X Series Next-Generation Firewalls；Advanced Malware Protection (AMP) for Networks；7000 Series Appliances；Advanced Malware Protection (AMP) for Networks；8000 Series Appliances；FirePOWER 7000 Series Appliances；FirePOWER 8000 Series Appliances；Firepower Threat Defense for Integrated Services Routers (ISRs)；Firepower 2100 Series Security Appliances；Firepower 4100 Series Security Appliances；Firepower 9300 Series Security Appliances；Virtual Next-Generation Intrusion Prevention System (NGIPSv) for VMware。

Cisco 3000 Series Industrial Security Appliances（ISR）等都是美国思科（Cisco）公司的安全防火墙设备。Firepower System Software是使用在其中的一套防火墙软件。 多款Cisco产品中的Firepower System Software 6.0.1版本、6.1.0版本、6.2.0版本和6.2.1版本的检测引擎解析IPv6数据包的过程存在安全漏洞，该漏洞源于程序没有对IPv6扩展包头数据包中的字段执行输入验证。远程攻击者可通过向检测引擎发送恶意的IPv6数据包利用该漏洞造成拒绝服务（CPU大量占用）。以下产品受到影响：Cisco 3000 Series Industrial Security Appliances (ISR)；Adaptive Security Appliance (ASA) 5500-X Series with FirePOWER Services；Adaptive Security Appliance (ASA) 5500-X Series Next-Generation Firewalls；Advanced Malware Protection (AMP) for Networks；7000 Series Appliances；Advanced Malware Protection (AMP) for Networks；8000 Series Appliances；FirePOWER 7000 Series Appliances；FirePOWER 8000 Series Appliances；Firepower Threat Defense for Integrated Services Routers (ISRs)；Firepower 2100 Series Security Appliances；Firepower 4100 Series Security Appliances；Firepower 9300 Series Security Appliances；Virtual Next-Generation Intrusion Prevention System (NGIPSv) for VMware。