XRP Ledger Addresses Long-Standing Vulnerability in Payment Engine
What happened
XRP Ledger patched a decade-old integer overflow vulnerability in its payment engine on September 25, 2026.
The Context
- Long-standing vulnerability: The flaw, present since around 2015, could have allowed the creation of spendable XRP far exceeding the network's 100 billion supply cap.
- Rapid response: The patch was implemented swiftly after being reported by a researcher, with over 80% of trusted validators upgraded on the release day.
- No exploitation detected: RippleX and the XRP Ledger Foundation confirmed that there was no evidence of exploitation or unauthorized XRP creation.
The Number
— This figure represents the potential XRP that could have been created in a single exploit transaction, exceeding the supply cap by 184 times, highlighting the critical importance of software security in financial systems.
Takeaway
The swift patching of this vulnerability underscores the need for continuous vigilance in software security, especially in decentralized financial networks.
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