Disclaimer

Hotfix versions were inferred because the vendor did not list them explicitly: 11.2.7-h1, 11.2.7-h2, 11.2.7-h3, 11.2.7-h4, 11.2.7-h5, 11.2.7-h6, 11.2.10 Known affected versions were inferred from fixed-version data and were not explicitly confirmed by the vendor: 11.1.12

The earliest recollection of this bug is traced back to PAN-OS 11.1.13 - August 12, 2026. This bug is fixed in PAN-OS versions 11.1.13, 11.2.7-h7, 11.2.10-h1. Fixed an issue were the all_task process repeatedly restarted due to memory pool corruption when processing fragmented DNS over HTTPs (DoH) JSON queries. This occurred due to incorrect buffer length calculations during memory deallocation when the query name field spanned multiple packets. For more information: https://docs.paloaltonetworks.com/pan-os/11-1/pan-os-release-notes/pan-os-11-1-13-known-and-addressed-issues/pan-os-11-1-13-addressed-issues https://docs.paloaltonetworks.com/pan-os/11-2/pan-os-release-notes/pan-os-11-2-10-known-and-addressed-issues/pan-os-11-2-10-h1-addressed-issues https://docs.paloaltonetworks.com/pan-os/11-2/pan-os-release-notes/pan-os-11-2-7-known-and-addressed-issues/pan-os-11-2-7-h7-addressed-issues