This hotfix can be downloaded from the TIBCO Support Customer Portal Web UI using your username and password for the TIBCO Support Web page.
Once logged on you can find the hotfix under the Downloads Menu:

 AvailableDownloads/Kabira/KPSA-SessionLayers/3.9.0/SSHSL-3.9.0/hotfix01
delivery content:
-TIB_fp-sshsl_3.9.0_HF-001_linux_x86_64.zip
-TIB_fp-sshsl_3.9.0_HF-001_readme.txt

Please look for the Readme file for Instruction on how to apply the hotfix.

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Closed Issues in SSHSL 3.9.0_HF-001 (This Release)

AP-1116
SSHSL 3.9.0 not able to connect to REHL 7.x server. 
SSHSL now uses libssh2 1.9.0.
This issue has been fixed.
 

Linux

This is the hot fix 1 TIBCO Fulfillment Provisioning Session Layer for SSH 3.9.0