XRP
RippleX patches decade-old XRP Ledger vulnerability that could have minted unbacked tokens
A newly disclosed integer overflow flaw present since 2015 was resolved before any exploitation occurred on the public network, according to RippleX.
RippleX disclosed on October 9 that it resolved a critical vulnerability in the XRP Ledger’s payment engine that had existed undetected since 2015. The flaw could have theoretically allowed an attacker to generate new XRP by triggering an integer overflow during complex transaction calculations, potentially undermining the network's 100 billion token supply limit.
The issue occurred when the system aggregated multiple fulfilled offers within a single transaction. If the sum surpassed the maximum data threshold, the total rolled over to a smaller number, causing the buyer to be undercharged while recipient accounts were credited in full. Internal ledger safeguards failed to flag the discrepancy because they relied on the same calculation method.
Researchers Cayden Liao and Veria AI submitted the bug through the network's bounty program on September 22, and developers deployed a fix three days later on September 25. RippleX stated that there is no indication the vulnerability was ever exploited on the public ledger, and XRP prices showed little reaction, trading around $1.40 following the announcement.
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