CVE-2026-27830 c3p0 vulnerable to Remote Code Execution via unsafe deserialization of userOverridesAsString property

c3p0, a JDBC Connection pooling library, is vulnerable to attack via maliciously crafted Java-serialized objects and javax.naming.Reference instances. Several c3p0 ConnectionPoolDataSource implementations have a property called userOverridesAsString which conceptually represents a Map. Prior to...