In Apache Batik 1.x before 1.10, when deserializing subclass of `AbstractDocument`, the class takes a string from the inputStream as the class name which then use it to call the no-arg constructor of the class. Fix was to check the class type before calling newInstance in deserialization.

Vulnerability in the Oracle Fusion Middleware MapViewer component of Oracle Fusion Middleware (subcomponent: Map Builder). Supported versions that are affected are 11.1.1.9, 12.2.1.1 and 12.2.1.2. Easily "exploitable" vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Fusion Middleware MapViewer. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Fusion Middleware MapViewer accessible data as well as unauthorized read access to a subset of Oracle Fusion Middleware MapViewer accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Fusion Middleware MapViewer. CVSS 3.0 Base Score 8.6 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L).

In Apache Log4j 2.x before 2.8.2, when using the TCP socket server or UDP socket server to receive serialized log events from another application, a specially crafted binary payload can be sent that, when deserialized, can execute arbitrary code.