---
type: Addressed
product: PAN-OS
version: 9.0.17
---

## PAN-189414

Fixed an issue where TCP packets were dropped during the first zone transfer when DNS security was enabled.

## PAN-188303

Fixed an issue where the serial number displayed as unknown after running the show system state CLI command.

## PAN-180916

Fixed an issue where DNS security caused the (time-to-live) value of the pointer record (PTR) to be overwritten with a value of 30 seconds.

## PAN-176153

```caveat
PA-7000 Series firewalls with 20G NPC (Network Processing Cards) only
```

Fixed a memory allocation issue where the NPC was unable to successfully boot up on the firewall.

## PAN-175003

Fixed a connection issue with the sysd process that caused FIB entries to not be updated.

## PAN-149008

Fixed an issue where the CLI command Show config running following the CLI command set cli op-command-xml-output on produces an unreadable output.

## PAN-127479

A fix was made to address [CVE-2022-0022](https://security.paloaltonetworks.com/CVE-2022-0022).
