Java deserialization vulnerabilities explained and how to defend against them

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The Java programming language offers a seamless and elegant way to store and retrieve data. However, without proper input validation and safeguards in place, your application can be vulnerable to unsafe deserialization vulnerabilities.

In a best-case scenario, deserialization vulnerabilities may simply cause data corruption or application crashes, leading to a denial of service (DoS) condition. Many times, the same bugs can be triggered by remote attackers to achieve arbitrary code execution capability on the vulnerable system.

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