The 'ar-json_serialize' RubyGems package at version 0.0.3 has been identified as containing malicious code according to the OpenSSF malicious packages database. This classification indicates that the package itself is harmful or attempts to perform unauthorized or harmful actions when used. There is no further technical detail or vulnerability description beyond its classification as malicious. No CVSS score or exploit details are provided.

Using the malicious 'ar-json_serialize' package version 0.0.3 may lead to execution of unauthorized or harmful code within applications that include this dependency. The exact impact is not detailed, but inclusion of malicious code in a package can compromise system integrity, confidentiality, or availability depending on the payload. No known active exploitation has been reported.

Avoid using the 'ar-json_serialize' package version 0.0.3. Since no patch or remediation is provided, the best mitigation is to remove or replace this package with a trusted alternative. Monitor dependency sources to prevent inclusion of malicious packages. Patch status is not confirmed; check vendor or repository advisories for updates.