New Delhi, July 1 -- The vulnerability found on the open-source logging library Log4j was one of the most serious ever detected. It was ranked 10th on the Common Vulnerability Severity Score on account of the risk it posed to hundreds of millions of devices. If present, it could be used to take full control of a system, steal information or launch ransomware attacks.

When it was discovered in 2021, it had already been around for eight years. The small team of unpaid volunteers responsible for maintaining that open-source library was completely unaware of its existence. By then, it was already being used by a wide range of applications and companies, including an assortment of Apache frameworks and the blockbuster game,Minecraft.

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