Disclaimer

Known affected versions were inferred from fixed-version data and were not explicitly confirmed by the vendor: 8.1.9-h4

The earliest recollection of this bug is traced back to PAN-OS 8.1 - July 22, 2025. This bug is fixed in PAN-OS versions 8.1.10. ( PA-3000 Series firewalls only ) Fixed an intermittent issue where a low memory condition prevented decoders from loading, which led to traffic inspection issues related to the impacted decoder(s). ( Affects PA-3000 Series firewalls only ) There is an infrequently encountered issue where a low memory condition intermittently prevents decoders from loading, leading to traffic inspection issues related to the impacted decoder(s). For more information: https://docs.paloaltonetworks.com/pan-os/8-1/pan-os-release-notes/pan-os-8-1-addressed-issues/pan-os-8-1-10-addressed-issues https://docs.paloaltonetworks.com/pan-os/8-1/pan-os-release-notes/pan-os-8-1-release-information/known-issues/known-issues-related-to-pan-os-8-1-releases