BugZero | Palo Alto Networks BugID PAN-147221 - Improved QoS scheduling for Bidirectional Forwardi...

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BugZero | Palo Alto Networks BugID PAN-147221 - Improved QoS scheduling for Bidirectional Forwardi...

Palo Alto Networks - Defect ID: PAN-147221

Improved QoS scheduling for Bidirectional Forwarding Detection (BFD) and BGP to address the internal handling of BGP and BFD packets under high resource constraints

Palo Alto Networks - Defect ID: PAN-147221

Improved QoS scheduling for Bidirectional Forwarding Detection (BFD) and BGP to address the internal handling of BGP and BFD packets under high resource constraints

Last updated on Invalid date

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 8.1.19 - July 22, 2025. This bug is fixed in PAN-OS versions 9.1.8, 8.1.19, 8.1.20. Improved QoS scheduling for Bidirectional Forwarding Detection (BFD) and BGP to address the internal handling of BGP and BFD packets under high resource constraints For more information: https://docs.paloaltonetworks.com/pan-os/8-1/pan-os-release-notes/pan-os-8-1-addressed-issues/pan-os-8-1-19-addressed-issues https://docs.paloaltonetworks.com/pan-os/8-1/pan-os-release-notes/pan-os-8-1-addressed-issues/pan-os-8-1-20-addressed-issues https://docs.paloaltonetworks.com/pan-os/9-1/pan-os-release-notes/pan-os-9-1-addressed-issues/pan-os-9-1-8-addressed-issues

Change history

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Top Palo Alto Networks Defects

6.8Defect ID: PAN-229865
Upgrading a PA-220 firewall running a PAN-OS 10.1 release fails when the target PAN-OS upgrade version is PAN-OS 10.2.5. Workaround: On your upgrade path to PAN-OS 10.2.5, first upgrade to PAN-OS 10.2.4 and then upgrade to PAN-OS 10.2.5.
6.5Defect ID: PAN-259769
GlobalProtect portal is not accessible via a web browser and the app displays the error ERR_EMPTY_RESPONSE .
6.5Defect ID: 5754
In WildFire appliance clusters, issuing the show cluster controller CLI command generates an error when an IPv6 address is configured for the management interface but not for the cluster interface. Workaround: Ensure all WildFire appliance interfaces that are enabled use matching protocols (all IPv4 or all IPv6).
6.4Defect ID: 5843
In a WildFire appliance cluster, issuing the show cluster-all peers CLI command when a node within the cluster is being rebooted generates the following error: Server error : An error occured.
6.3Defect ID: PAN-251442
Fixed an issue where the firewall rebooted into maintenance mode if the authentication process restarted repeatedly.

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OPERATIONAL DEFECT DATABASE

Palo Alto Networks - Defect ID: PAN-147221

Improved QoS scheduling for Bidirectional Forwarding Detection (BFD) and BGP to address the internal handling of BGP and BFD packets under high resource constraints

Palo Alto Networks - Defect ID: PAN-147221

Improved QoS scheduling for Bidirectional Forwarding Detection (BFD) and BGP to address the internal handling of BGP and BFD packets under high resource constraints

Last updated on Invalid date

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