A null pointer dereference vulnerability in the GlobalProtect gateway in Palo Alto Networks PAN-OS software enables an unauthenticated attacker to stop the GlobalProtect service on the firewall by sending a specially crafted packet that causes a denial of service (DoS) condition. Repeated attempts to trigger this condition result in the firewall entering maintenance mode.This issue impacts only firewalls on which you configured a GlobalProtect gateway. You can verify whether you configured GlobalProtect gateway by checking for entries in your firewall web interface (Network > GlobalProtect > Gateways).Palo Alto Networks is not aware of any malicious exploitation of this issue.This issue is fixed in PAN-OS 10.2.11, PAN-OS 11.0.6, PAN-OS 11.1.5, and all later PAN-OS versions.cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h4::::::cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h3::::::cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h2::::::cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h1::::::cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:-::::::cpe:2.3:o:paloaltonetworks:pan-os:11.1.3:h10::::::cpe:2.3:o:paloaltonetworks:pan-os:11.1.3:h9::::::cpe:2.3:o:paloaltonetworks:pan-os:11.1.3:h8::::::cpe:2.3:o:paloaltonetworks:pan-os:11.1.3:h7::::::cpe:2.3:o:paloaltonetworks:pan-os:11.1.3:h6::::::cpe:2.3:o:paloaltonetworks:pan-os:11.1.3:h5::::::cpe:2.3:o:paloaltonetworks:pan-os:11.1.3:h4::::::cpe:2.3:o:paloaltonetworks:pan-os:11.1.3:h3::::::cpe:2.3:o:paloaltonetworks:pan-os:11.1.3:h2::::::cpe:2.3:o:paloaltonetworks:pan-os:11.1.3:h1::::::cpe:2.3:o:paloaltonetworks:pan-os:11.1.3:-::::::cpe:2.3:o:paloaltonetworks:pan-os:11.1.2:h14::::::cpe:2.3:o:paloaltonetworks:pan-os:11.1.2:h13::::::cpe:2.3:o:paloaltonetworks:pan-os:11.1.2:h12::::::cpe:2.3:o:paloaltonetworks:pan-os:11.1.2:h11::::::cpe:2.3:o:paloaltonetworks:pan-os:11.1.2:h10::::::cpe:2.3:o:paloaltonetworks:pan-os:11.1.2:h9::::::cpe:2.3:o:paloaltonetworks:pan-os:11.1.2:h8::::::cpe:2.3:o:paloaltonetworks:pan-os:11.1.2:h7::::::cpe:2.3:o:paloaltonetworks:pan-os:11.1.2:h6::::::cpe:2.3:o:paloaltonetworks:pan-os:11.1.2:h5::::::cpe:2.3:o:paloaltonetworks:pan-os:11.1.2:h4::::::cpe:2.3:o:paloaltonetworks:pan-os:11.1.2:h3::::::cpe:2.3:o:paloaltonetworks:pan-os:11.1.2:h2::::::cpe:2.3:o:paloaltonetworks:pan-os:11.1.2:h1::::::cpe:2.3:o:paloaltonetworks:pan-os:11.1.2:-::::::cpe:2.3:o:paloaltonetworks:pan-os:11.1.1:h1::::::cpe:2.3:o:paloaltonetworks:pan-os:11.1.1:-::::::cpe:2.3:o:paloaltonetworks:pan-os:11.1.0:h3::::::cpe:2.3:o:paloaltonetworks:pan-os:11.1.0:h2::::::cpe:2.3:o:paloaltonetworks:pan-os:11.1.0:h1::::::cpe:2.3:o:paloaltonetworks:pan-os:11.1.0:-::::::cpe:2.3:o:paloaltonetworks:pan-os:11.1:-::::::cpe:2.3:o:paloaltonetworks:pan-os:11.0.5:h1::::::cpe:2.3:o:paloaltonetworks:pan-os:11.0.5:-::::::cpe:2.3:o:paloaltonetworks:pan-os:11.0.4:h5::::::cpe:2.3:o:paloaltonetworks:pan-os:11.0.4:h4::::::cpe:2.3:o:paloaltonetworks:pan-os:11.0.4:h3::::::cpe:2.3:o:paloaltonetworks:pan-os:11.0.4:h2::::::cpe:2.3:o:paloaltonetworks:pan-os:11.0.4:h1::::::cpe:2.3:o:paloaltonetworks:pan-os:11.0.4:-::::::cpe:2.3:o:paloaltonetworks:pan-os:11.0.3:h12::::::cpe:2.3:o:paloaltonetworks:pan-os:11.0.3:h11::::::cpe:2.3:o:paloaltonetworks:pan-os:11.0.3:h10::::::cpe:2.3:o:paloaltonetworks:pan-os:11.0.3:h9::::::cpe:2.3:o:paloaltonetworks:pan-os:11.0.3:h8::::::cpe:2.3:o:paloaltonetworks:pan-os:11.0.3:h7::::::cpe:2.3:o:paloaltonetworks:pan-os:11.0.3:h6::::::cpe:2.3:o:paloaltonetworks:pan-os:11.0.3:h5::::::cpe:2.3:o:paloaltonetworks:pan-os:11.0.3:h4::::::cpe:2.3:o:paloaltonetworks:pan-os:11.0.3:h3::::::cpe:2.3:o:paloaltonetworks:pan-os:11.0.3:h2::::::cpe:2.3:o:paloaltonetworks:pan-os:11.0.3:h1::::::cpe:2.3:o:paloaltonetworks:pan-os:11.0.3:-::::::cpe:2.3:o:paloaltonetworks:pan-os:11.0.2:h4::::::cpe:2.3:o:paloaltonetworks:pan-os:11.0.2:h3::::::cpe:2.3:o:paloaltonetworks:pan-os:11.0.2:h2::::::cpe:2.3:o:paloaltonetworks:pan-os:11.0.2:h1::::::cpe:2.3:o:paloaltonetworks:pan-os:11.0.2:-::::::cpe:2.3:o:paloaltonetworks:pan-os:11.0.1:h4::::::cpe:2.3:o:paloaltonetworks:pan-os:11.0.1:h3::::::cpe:2.3:o:paloaltonetworks:pan-os:11.0.1:h2::::::cpe:2.3:o:paloaltonetworks:pan-os:11.0.1:h1::::::cpe:2.3:o:paloaltonetworks:pan-os:11.0.1:-::::::cpe:2.3:o:paloaltonetworks:pan-os:11.0.0:h3::::::cpe:2.3:o:paloaltonetworks:pan-os:11.0.0:h2::::::cpe:2.3:o:paloaltonetworks:pan-os:11.0.0:h1::::::cpe:2.3:o:paloaltonetworks:pan-os:11.0.0:-::::::cpe:2.3:o:paloaltonetworks:pan-os:11.0:-::::::cpe:2.3:o:paloaltonetworks:pan-os:10.2.10:h7::::::cpe:2.3:o:paloaltonetworks:pan-os:10.2.10:h6::::::cpe:2.3:o:paloaltonetworks:pan-os:10.2.10:h5::::::cpe:2.3:o:paloaltonetworks:pan-os:10.2.10:h4::::::cpe:2.3:o:paloaltonetworks:pan-os:10.2.10:h3::::::cpe:2.3:o:paloaltonetworks:pan-os:10.2.10:h2::::::cpe:2.3:o:paloaltonetworks:pan-os:10.2.10:h1::::::cpe:2.3:o:paloaltonetworks:pan-os:10.2.10:-::::::cpe:2.3:o:paloaltonetworks:pan-os:10.2.9:h14::::::cpe:2.3:o:paloaltonetworks:pan-os:10.2.9:h13::::::cpe:2.3:o:paloaltonetworks:pan-os:10.2.9:h12::::::cpe:2.3:o:paloaltonetworks:pan-os:10.2.9:h11::::::cpe:2.3:o:paloaltonetworks:pan-os:10.2.9:h10::::::cpe:2.3:o:paloaltonetworks:pan-os:10.2.9:h9::::::cpe:2.3:o:paloaltonetworks:pan-os:10.2.9:h8::::::cpe:2.3:o:paloaltonetworks:pan-os:10.2.9:h7::::::cpe:2.3:o:paloaltonetworks:pan-os:10.2.9:h6::::::cpe:2.3:o:paloaltonetworks:pan-os:10.2.9:h5::::::cpe:2.3:o:paloaltonetworks:pan-os:10.2.9:h4::::::cpe:2.3:o:paloaltonetworks:pan-os:10.2.9:h3::::::cpe:2.3:o:paloaltonetworks:pan-os:10.2.9:h2::::::cpe:2.3:o:paloaltonetworks:pan-os:10.2.9:h1::::::cpe:2.3:o:paloaltonetworks:pan-os:10.2.9:-::::::cpe:2.3:o:paloaltonetworks:pan-os:10.2.8:h13::::::cpe:2.3:o:paloaltonetworks:pan-os:10.2.8:h12::::::cpe:2.3:o:paloaltonetworks:pan-os:10.2.8:h11::::::cpe:2.3:o:paloaltonetworks:pan-os:10.2.8:h10::::::cpe:2.3:o:paloaltonetworks:pan-os:1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