The earliest recollection of this bug is traced back to PAN-OS 10.1.5 - June 11, 2025. This bug is fixed in PAN-OS versions 10.1.5. Fixed an issue where TLS 1.3 Forward Proxy Decryption failed with a malloc failure error. This issue was caused by the server certificate being very large. For more information: https://docs.paloaltonetworks.com/pan-os/10-1/pan-os-release-notes/pan-os-10-1-5-known-and-addressed-issues/pan-os-10-1-5-addressed-issues