BugZero | Palo Alto Networks BugID PAN-229985 - ( VM-Series firewalls in Amazon Web Services (AWS)...

Palo Alto Networks - Defect ID: PAN-229985

( VM-Series firewalls in Amazon Web Services (AWS) only ) Fixed an issue where, when Gateway Load Balancer (GWLB) overlay routing was enabled, GWLB packets re-encapsulated with the incorrect flow cookie in the GENEVE header when transmitting the response back to GWLB.

Palo Alto Networks - Defect ID: PAN-229985

( VM-Series firewalls in Amazon Web Services (AWS) only ) Fixed an issue where, when Gateway Load Balancer (GWLB) overlay routing was enabled, GWLB packets re-encapsulated with the incorrect flow cookie in the GENEVE header when transmitting the response back to GWLB.

Last updated on April 16th, 2026

BugZero Risk Score
6.3 Medium

Overall: 6.3

Severity: 6.4

Community: 3.7

Lifecycle: 10.0

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Bug Details

Description

The earliest recollection of this bug is traced back to PAN-OS 11.1.3 - April 16, 2026. This bug is fixed in PAN-OS versions 11.1.3. ( VM-Series firewalls in Amazon Web Services (AWS) only ) Fixed an issue where, when Gateway Load Balancer (GWLB) overlay routing was enabled, GWLB packets re-encapsulated with the incorrect flow cookie in the GENEVE header when transmitting the response back to GWLB. For more information: https://docs.paloaltonetworks.com/pan-os/11-1/pan-os-release-notes/pan-os-11-1-3-known-and-addressed-issues/pan-os-11-1-3-addressed-issues

Change history

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Palo Alto Networks - Defect ID: PAN-229985

( VM-Series firewalls in Amazon Web Services (AWS) only ) Fixed an issue where, when Gateway Load Balancer (GWLB) overlay routing was enabled, GWLB packets re-encapsulated with the incorrect flow cookie in the GENEVE header when transmitting the response back to GWLB.

Palo Alto Networks - Defect ID: PAN-229985

( VM-Series firewalls in Amazon Web Services (AWS) only ) Fixed an issue where, when Gateway Load Balancer (GWLB) overlay routing was enabled, GWLB packets re-encapsulated with the incorrect flow cookie in the GENEVE header when transmitting the response back to GWLB.

Last updated on April 16th, 2026

BugZero Risk Score6.3 Medium

Bug Details

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Top Palo Alto Networks Defects

Ready to prevent the next vendor outage?

BugZero Risk Score
6.3 Medium