Mysterious Palo Alto firewall reboots? You're not alone

Palo Alto Networks has acknowledged that some firewalls on PAN-OS 11.1.4-h7/h9 can unexpectedly reboot when exposed to certain network traffic; a limited hotfix (11.1.4-h12) is available to affected customers and a general release is planned, while the vendor has not disclosed technical details of the triggering traffic. The report also notes a separate, resolved Proofpoint email URL detection problem and recalls prior incidents where Palo Alto flaws were exploited, underscoring the operational risk of such failures.