USN-4603-1: MariaDB vulnerabilities It was discovered that MariaDB didn’t properly validate the content of a packet received from a server. A remote attacker could use this vulnerability to sent a specialy crafted file to cause a denial of service. (CVE-2020-13249) It was discovered that MariaDB has other security issues. An attacker can cause a hang or frequently repeatable crash (denial of service). (CVE-2020-15180, CVE-2020-2752, CVE-2020-2760, CVE-2020-2812, CVE-2020-2814) In addition to security fixes, the updated packages contain bug fixes, new features, and possibly incompatible changes. Source: USN-4603-1: MariaDB vulnerabilities