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Polygon discloses security flaws fixed in recent hard forks

Polygon has disclosed several previously private security vulnerabilities that could have disrupted its proof-of-stake network, after deploying fixes through two recent hard forks. The vulnerabilities affected Polygon’s Bor and Heimdall clients and included denial-of-service risks, validator resource exhaustion and flaws affecting checkpoint and milestone processing, according to a Thursday disclosure from Polygon Labs’ Validators Support Team.

5 days ago

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