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firewallissues/web/data/issues/PAN-OS/addressed/9.1.8_2026-03-31.md
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2026-03-31 13:45:22 -05:00

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type, product, version
type product version
Addressed PAN-OS 9.1.8

PAN-161121

Fixed an issue on the Panorama management server that caused invalid reference errors when attempting to delete an address object (Objects > Addresses) after removing the address object reference from an address group (Objects > Address Groups) resulting in you being unable commit and push the configuration to managed firewalls.

PAN-160376

Fixed an issue where, for local administrators using an authentication profile, the save filter (Monitor > Logs) option was grayed out.

PAN-158650

Fixed an issue where several operations and processes stopped responding due to a deadlock issue between the CLI thread and the Terminal Server (TS) agent message processing the thread.

PAN-158638

Fixed an issue where the firewall returned the following error message when attempting to request a device certificate using a one-time password (OTP): invalid ocsp response sig-alg.

PAN-158293

Fixed an issue where a sudden increase in packet buffer descriptors disrupted traffic.

PAN-158122

Fixed an issue where SNMP readings reported 0 for dataplane interface packet statistics when using PacketMMAP mode. This issue occurred because the physical port counters read from MAC addresses were reported as 0.

PAN-157786

Fixed an issue where the Device > Setup page was blank after downgrading from a PAN-OS 10.0 release to a PAN-OS 9.1 release.

PAN-157319

PA-7000 Series firewalls with Log Forwarding Cards (LFCs) only

Fixed an issue where GlobalProtect logs showed the incorrect client version and did not show event ID information.

PAN-157168

Fixed an issue where a process (mprelay) stopped responding when displaying debug PDT commands

PAN-157049

PA-3200 Series firewalls only

Fixed an issue where the firewall processed internal path monitoring packets more slowly than expected when processing large amounts of traffic, which caused the dataplane to restart.

PAN-156891

Fixed an issue where some zip files did not download and the following error message displayed: resources-unavailable.

PAN-156716

Fixed an issue where the firewall sent ARP replies without checking the ingress interface when the requested IP address was configured as a destination NAT (DNAT) address.

PAN-155665

Fixed an issue where, if an authentication profile was configured with an authorization type of none, users were inappropriately prompted for a password. Since the authentication type was set to none, any input was successful. This issue occurred when Allow Authentication with User Credentials OR Client Certificate was set to no.

PAN-155326

Fixed an issue where the BGP AS Number template variable was not referenceable from the web interface.

PAN-155294

Fixed an issue where iPad devices did not display Captive Portal multi-factor authentication (MFA) pages correctly when using Okta for push notifications.

PAN-155124

Fixed an issue where IP address-to-username mapping did not correctly sync to the secondary active firewall in an active/active HA configuration if a logout and a log in event occurred within the same second.

PAN-154899

Fixed an out-of-memory (OOM) issue on the firewalls that caused LACP, BGP, and OSPF to go down, resulting in the firewall not receiving LACPDU messages.

PAN-154844

Fixed an issue where commits and autocommits repeatedly failed due to an OOM condition that disrupted the processes pan_task and devsrvr.

PAN-154812

Fixed a memory leak issue related to a process (configd) that was caused by log queries filtering by address.

PAN-154591

Fixed an issue where NULL users in panGlobalProtectGetConfig were not checked for before calling strcmp().

PAN-154391

Fixed an issue where a Log Collector did not forward correlation logs to the syslog server over TCP.

PAN-154365

Fixed an issue where Security policy rules targeted by tags incorrectly displayed as deleted when previewing commit changes.

PAN-153814

Fixed an issue where the firewall displayed the URL Filtering Safe Search Block Page on the specific site only, even when the traffic was matched to a specific rule that did not have any URL filtering policies.

PAN-153705

Fixed an issue where packets were not evenly distributed among a process (pan_tasks), which caused latency and poor performance.

PAN-153631

Fixed an issue where the firewalls did not generate traffic logs for implicitly allowed applications.

PAN-153614

Fixed an issue where user-based policies did not correctly match if the same user was included in both a policy with the username in NetBIOS format and another policy with the username in FQDN format.

PAN-153294

Fixed an issue on the firewall where a GlobalProtect username authenticated via Kerberos was unnecessarily normalized to SAMAccountName format.

PAN-153261

Fixed an issue where not all fragmented packets were transmitted, which caused increased packet buffer usage.

PAN-152998

Fixed an issue where the User-ID process CPU usage remained high when a large number of Terminal Server (TS) agents were configured but only a few were connected.

PAN-152813

Fixed an issue with configuration memory leaks on Panorama that caused a process (configd) to restart.

PAN-152677

VM-Series firewalls on Azure only

Fixed an issue where packet buffers showed high values when Data Plane Development Kit (DPDK) was enabled.

PAN-152648

Fixed an issue where multiple all_pktproc processes stopped responding, which caused the dataplane to restart.

PAN-152103

Fixed a memory leak issue where a process (dnsproxy) did not properly release memory after use.

PAN-151997

Fixed an issue where the option to sinkhole was not displayed in the ACC filter drop-down (ACC > Threat Activity > Global filters > Action).

PAN-151888

Fixed an issue where remote users were able to save log filters, which created a local user with the same username. With this fix, remote users cannot save a log filter.

PAN-151808

Fixed an issue where an EDL refresh job did not complete when the configuration for EDL servers used certificate profiles, due to the large server certificates.

PAN-151803

Fixed an issue on Panorama where commits failed when using device-id as a template variable.

PAN-151503

Fixed an intermittent issue where memory was not fully freed after a Panorama commitAll completion on the firewall.

PAN-151218

PA-3200 Series firewalls only

Fixed an issue where the crashinfo file was not generated after a process (all_pktproc) stopped responding on the dataplane before path monitoring triggered a device reboot.

PAN-150867

An enhancement was made to enable additional logging during kernel panic/oops that helps identify the cause.

PAN-150798

PA-7000 Series firewalls only

Fixed an issue where Network Processing Cards (NPC) took longer than expected or failed to boot.

PAN-150534

Fixed an issue where authentication logs with the subtype SAML were not forwarded to the syslog server.

PAN-150467

Fixed a memory leak issue with a unified query that caused a process (mprelay) to restart due to an OOM condition.

PAN-150085

Fixed an issue where a process (configd) stopped responding which caused context switches to slow.

PAN-150008

Fixed an issue on the firewall where configuring auto-tagging based on URL filtering logs resulted in tags being added to source IP addresses and not matching the log forwarding filter match criteria.

PAN-149283

Fixed an issue where editing device log forwarding in the collector group then filtering specific firewalls and adding new firewalls caused the old firewalls to disappear from the log forwarding preferences list.

PAN-148800

Fixed an issue where the firewall used port 1080 to reach dns.service.paloaltonetworks.com when web-proxy was configured.

PAN-148549

Fixed an issue where newly created interface management profiles were unable to be linked to subinterfaces.

PAN-148359

Fixed an issue where SD-WAN server-to-client symmetric return did not function correctly in certain circumstances. This issue intermittently affected path selection of parent/child applications, such as FTP.

PAN-147254

jQuery was updated to 3.5.1.

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

PAN-145733

Fixed an issue where the SNMP INDEX for panZoneTable on the PAN-COMMON-MIB.my file did not work as expected, which led to entries in panZoneTable not being uniquely identified.

PAN-145417

Debug commands were added to address an issue where the firewall connect to Cortex Data Lake due to the Online Certificate Status Protocol (OSCP) message missing the nextUpdate value in the OSCP response.

PAN-144975

Fixed an intermittent issue where a high traffic load in a Layer 2 deployment caused SNMP and Panorama health monitoring failures.

PAN-144887

Panorama virtual appliances in high availability (HA) configurations with VMware NSX plugin only

Fixed an issue where dynamic address group updates and configuration pushes failed when new plugins were installed or uninstalled, or when a process (configd) was restarted or reinitialized.

PAN-144594

Fixed an issue where web pages failed to launch over clientless VPN when cookies had the expiry value set to 0 in the packet.

PAN-143485

Fixed a memory leak issue related to a process (devsrvr).

PAN-141813

Fixed an issue where multiple daemons restarted due to a management plane ARP overflow.

PAN-140093

PA-220 firewalls only

Fixed an issue where the master key was unable to be changed.

PAN-137205

Fixed an issue where Review Policies did not show all related policies.

PAN-136478

PA-7000 Series firewalls

where syslog forwarding over TCP did not work in a multi-vsys environment.

PAN-136073

Fixed an issue where the High Speed Chassis Interconnect (HSCI) port flapped continuously after an upgrade or reboot.

PAN-134461

Fixed an issue where an admin user authenticated to Panorama with RADIUS and assigned a Device Group and Template Admin role using access domains was unable to add a managed firewall to Panorama and received the following error message: Import failed user does not exist.

PAN-133886

Fixed an issue where GlobalProtect users were unable to connect to mobile gateways when download of a large CRL failed due to timeouts that resulted in CRL check failures.

PAN-133863

Fixed an issue where the Panorama Virtual Appliance in Log Collector mode went into maintenance mode due to a process (reportd) not responding.

PAN-132035

Fixed an issue on Panorama appliances in an active/passive high availability configuration where a managed firewall generated high priority alerts that it failed to connect to the passive Panorama appliance's User-ID agent server. This issue occurred because the firewall was only able to connect to one Panorama User-ID server at a time, and it connected only to the active Panorama appliance's User-ID server.

PAN-131462

Fixed an issue where the title page of PDF reports did not show the entire Palo Alto Networks logo.

PAN-129927

VM-Series firewalls only

Fixed an issue where firewalls with Layer 3 subinterfaces reset Class of Service (CoS) bits in 802.1q.

PAN-120013

Fixed an issue where secure communication settings were incorrectly synchronized between Panorama appliances in an HA configuration.

PAN-115494

Fixed an issue where the /opt/pancfg/ partition became full due to a configuration preview operation not responding.

PAN-114351

Fixed an issue where SSL decryption slowed traffic with the TCP timestamp option enabled.

PAN-113386

Fixed an issue where an address object with a tag that contained a space character inside quotation marks was not properly processed and assigned to the appropriate Dynamic Address Group.

PAN-110962

Fixed an issue where a process (all_pktproc) stopped responding when SSH decryption was enabled, which caused the dataplane to restart.

PAN-100693

Fixed an issue where you were unable to process Address Group match criteria when the match name included the double quotation ( " ) character.