This update for curl fixes the following issues: Security issues fixed: - CVE-2019-3823: Fixed a heap out-of-bounds read in the code handling the end-of-response for SMTP . - CVE-2019-3822: Fixed a stack based buffer overflow in the function creating an outgoing NTLM type-3 message . - CVE-2018-16890: Fixed a heap buffer out-of-bounds read in the function handling incoming NTLM type-2 messages .