Disclaimer

Known affected versions were inferred from fixed-version data and were not explicitly confirmed by the vendor: 10.2.17, 11.1.13-h10, 11.2.10-h13, 12.1.4-h3

The earliest recollection of this bug is traced back to PAN-OS 10.2.18 - September 09, 2026. This bug is fixed in PAN-OS versions 11.1.14, 12.1.5, 11.2.11, 10.2.18. Fixed an issue where, when you used a syslog forwarding profile with the CEF format, an additional string was appended to the end of the log message when viewing the log entry from the Universal Forwarder directory. For more information: https://docs.paloaltonetworks.com/ngfw/release-notes/12-1/pan-os-12-1-5-known-and-addressed-issues/pan-os-12-1-5-addressed-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-18-known-and-addressed-issues/pan-os-10-2-18-addressed-issues https://docs.paloaltonetworks.com/pan-os/11-1/pan-os-release-notes/pan-os-11-1-14-known-and-addressed-issues/pan-os-11-1-14-addressed-issues https://docs.paloaltonetworks.com/pan-os/11-2/pan-os-release-notes/pan-os-11-2-11-known-and-addressed-issues/pan-os-11-2-11-addressed-issues