---
type: Addressed
product: PAN-OS
version: 9.0.14-h4
---

## BLANK-000000

Fixed a Denial-of-Service (DoS) vulnerability in the GlobalProtect portal and gateway ([CVE-2021-3063](https://security.paloaltonetworks.com/CVE-2021-3063)).

## PAN-171203

Fixed an issue in a high availability configuration where, when one firewall was active and its peer was in a suspended state, the suspended firewall continued to send traffic, which triggered the detection of duplicate MAC addresses.