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firewallissues/web/data/issues/PAN-OS/addressed/8.1.22_2026-04-01.md
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2026-04-01 11:57:01 -05:00

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---
type: Addressed
product: PAN-OS
version: 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.