FTP path trickery leads to NIL byte out of bounds write:It was found that libcurl did not safely parse FTP URLs when using the CURLOPT_FTP_FILEMETHOD method. An attacker, able to provide a specially crafted FTP URL to an application using libcurl, could write a NULL byte at an arbitrary location, resulting in a crash, or an unspecified behavior. LDAP NULL pointer dereference:A NULL pointer dereference flaw was found in the way libcurl checks values returned by the openldap ldap_get_attribute_ber function. A malicious LDAP server could use this flaw to crash a libcurl client application via a specially crafted LDAP reply. RTSP RTP buffer over-read:A buffer over-read exists in curl 7.20.0 to and including curl 7.58.0 in the RTSP+RTP handling code that allows an attacker to cause a denial of service or information leakage