A critical vulnerability in the Apache Avro Java Software Development Kit (SDK) could be exploited to execute arbitrary code on vulnerable instances.The vulnerability, tracked as CVE-2024-47561, impacts all versions of the Avro Java SDK prior to 1.11.4.The Avro Java SDK is a toolkit used for working with Apache Avro in Java applications, especially in big data or distributed systems.Users are advised to upgrade to version 1.11.4 or 1.12.0 to mitigate the security vulnerability.