Update README.md

Author: johspaeth

README.md

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 This repository contains a tool to detect if a jar file is affected by the critical CVE-2021-44228. The tool scans the jar file and compares the classses against a set of vulnerable hashes for classes within the jar file. The hashes have been pre-computed for artifacts on [Maven Central](https://mvnrepository.com/repos/central).
 
+**IMPORTANT UPDATE: We updated [the list of affected artifacts](src/main/resources/VulnerableGavs.csv) on Maven Central. The list contains 18.816 artifacts. The artifacts either use log4j-core as declared dependency, or we identified .class files within the artifacts that match to the affected versions of log4j-core.**
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 ## How to run this tool
 
 1. Download the [jar file](https://github.com/CodeShield-Security/Log4JShell-Bytecode-Detector/releases/download/v0.4/Log4JDetector-0.4-jar-with-dependencies.jar) under releases. 
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 * Johannes Spaeth  <[email protected]> 
 
 ## If you want to learn more about the technology, reach out to us!
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 https://codeshield.io/