Affected: DBD::mysql before 4.041

There is a vulnerability of type use-after-free affecting DBD::mysql (aka DBD-mysql or the Database Interface (DBI) MySQL driver for Perl) 3.x and 4.x before 4.041 when used with mysql_server_prepare=1.

Affected: Ubuntu:Pro:16.04:LTS: libdbd-mysql-perl

It was discovered that the DBD::mysql module, when configured with server-side prepared statement support, was susceptible to operations that would result in improper memory access. An attacker could possibly use this issue to cause DBD::mysql to crash, resulting in a denial of service. (CVE-2016-1249, CVE-2016-1251)

It was discovered that the DBD::mysql module was susceptible to an operation that would result in improper memory access, introduced through incorrect documentation and code examples. An attacker could possibly use this issue to cause DBD::mysql to crash or potentially cause other, unspecified, impact. (CVE-2017-10788)

It was discovered that the DBD::mysql module processed SSL/TLS settings in a way that did not fully correlate with the respective documentation for each setting. An attacker could possibly use this to perform a cleartext-downgrade attack. (CVE-2017-10789)