There is a use-after-free issue in all samba 4.9.x versions before 4.9.18, all samba 4.10.x versions before 4.10.12 and all samba 4.11.x versions before 4.11.5, essentially due to a call to realloc() while other local variables still point at the original buffer. CREATE(Triage):(User=admin) CVE-2019-19344 (https://nvd.nist.gov/vuln/detail/CVE-2019-19344)