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Known affected versions were inferred from fixed-version data and were not explicitly confirmed by the vendor: 11.2.2-h2
The earliest recollection of this bug is traced back to PAN-OS 11.2.3 - May 27, 2026. This bug is fixed in PAN-OS versions 11.2.3. ( PA-1410 firewalls only ) Fixed an issue where the firewall did not block STP packets when the ports on the connected routers were in access mode. For more information: https://docs.paloaltonetworks.com/pan-os/11-2/pan-os-release-notes/pan-os-11-2-3-known-and-addressed-issues/pan-os-11-2-3-addressed-issues
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