firewallissues/web/data/issues/PAN-OS/addressed/8.1.22_2026-04-01.md

type, product, version

type	product	version
Addressed	PAN-OS	8.1.22

PAN-176097

Fixed an issue in an active/active HA configuration where the V-wire interface on the active primary firewall forwarded the ICMP error code packet that was received by the active secondary firewall.

PAN-174709

Fixed an out-of-memory condition that occurred due to multiple parallel jobs being created by the scheduled log export feature.

PAN-172243

Fixed an issue where NetFlow traffic triggered a packet buffer leak.

PAN-161496

Fixed an issue when calculating the incremental checksum after a post-NAT translation where the arguments to pan_in_cksm32_diff overflowed the 32-bit integer.

PAN-136007

Fixed an issue where generating subordinate ECDSA Certificate Authority (CA) certificates from the web interface failed if the Common Name field contained a space.