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Our platform yarn_man that hosts both test_mate, yarn_gate and wranger_ predominantly uses node.js and javascript is the programming language which is not affected as this does not use the java logging librarylog4jlibrary log4j. There is a small java module jade-berlin that provides the interface to JTAPI that is part of yarn_man but this does not use the log4j logging library.
We have done a detailed review of the 3rd party dependencies and none are reported to be affected by CVE-2021-45046 and CVE-2021-44228.
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