Disclaimer

Hotfix versions were inferred because the vendor did not list them explicitly: 10.2.7-h1, 10.2.7-h2, 10.2.7-h3, 10.2.7-h4, 10.2.7-h5, 10.2.7-h6, 10.2.7-h7, 10.2.7-h8, 10.2.7-h9, 10.2.7-h10, 10.2.7-h11, 10.2.7-h12, 10.2.7-h13, 10.2.7-h14, 10.2.7-h15, 10.2.7-h17, 10.2.8-h1, 10.2.8-h2, 10.2.8-h3, 10.2.8-h4, 10.2.8-h5, 10.2.8-h6, 10.2.8-h7, 10.2.8-h8, 10.2.8-h9, 10.2.8-h10, 10.2.8-h11, 10.2.8-h12, 10.2.8-h14, 10.2.9-h1, 10.2.9-h2, 10.2.9-h3, 10.2.9-h4, 10.2.9-h5, 10.2.9-h6, 10.2.9-h7, 10.2.9-h8, 10.2.9-h9, 10.2.9-h10, 10.2.9-h11, 10.2.9-h12, 10.2.9-h13, 10.2.9-h15, 10.2.10-h1, 10.2.10-h2, 10.2.10-h3, 10.2.10-h4, 10.2.10-h5, 10.2.10-h6, 10.2.11-h1, 10.2.11-h2, 10.2.11-h3, 10.2.11-h5

The earliest recollection of this bug is traced back to PAN-OS 10.2.10 - July 15, 2026. This bug is fixed in PAN-OS versions 10.2.8-h13, 10.2.7-h18, 10.2.12, 10.2.11-h6, 10.2.10-h7, 10.2.9-h14, 10.2.7-h16, 10.2.9-h16, 10.2.11-h4, 10.2.8-h15. Sessions might end unexpectedly with the error resources-unavailable when the firewall incorrectly interprets the Content and Threat Detection (CTD) global packet queue as being full. Fixed an issue where sessions might end unexpectedly with the error resources-unavailable when the firewall incorrectly interprets the Content and Threat Detection (CTD) global packet queue as being full. Fixed an issue where sessions bypassed L7 inspection or ended unexpectedly with the error resources unavailable when the firewall incorrectly interpreted the Content and Threat Detection (CTD) global packet queue as being full. For more information: https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-10-known-and-addressed-issues/pan-os-10-2-10-h7-addressed-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-10-known-and-addressed-issues/pan-os-10-2-10-known-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-11-known-and-addressed-issues/pan-os-10-2-11-h4-addressed-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-11-known-and-addressed-issues/pan-os-10-2-11-h6-addressed-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-11-known-and-addressed-issues/pan-os-10-2-11-known-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-12-known-and-addressed-issues/pan-os-10-2-12-addressed-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-7-known-and-addressed-issues/pan-os-10-2-7-h16-addressed-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-7-known-and-addressed-issues/pan-os-10-2-7-h18-addressed-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-8-known-and-addressed-issues/pan-os-10-2-8-h13-addressed-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-8-known-and-addressed-issues/pan-os-10-2-8-h15-addressed-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-8-known-and-addressed-issues/pan-os-10-2-8-known-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-9-known-and-addressed-issues/pan-os-10-2-9-h14-addressed-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-9-known-and-addressed-issues/pan-os-10-2-9-h16-addressed-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-9-known-and-addressed-issues/pan-os-10-2-9-known-issues