The expansion of '\h' in the prompt string in bash 4.3 allows remote authenticated users to execute arbitrary code via shell metacharacters placed in 'hostname' of a machine.
[ { "events": [ { "introduced": "0" }, { "last_affected": "4.3" } ] } ]
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-0634.json"