You are correct those 3 first lines are for third party libraries fixed on splunk versions. For Splunk Cloud splunk's service promise is: For Splunk Cloud Platform, Splunk is actively monitoring and patching affected instances. So when you have the latest SC version all known and available patches / work arounds should be fixed on that version. On site you must keep track of those versions and patch those as soon as Splunk has publish a new version or work around instructions for specific issue.
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