Vulnerability Management

Bitcoin’s Lightning Network vulnerabilities spotted in the wild


Several vulnerabilities in the Bitcoin Lightning Network that were revealed in late August are now active in the wild and could result in funds being lost from accounts.

Olaoluwa Osuntokun, CTO at Lightning Labs, posted on the Linux Foundation website that Bitcoin Lightning Network users who have not updated their systems to the latest patched versions are at risk. The releases affected are:

  • CVE-2019-12998 c anything 0.7 and below is vulnerable
  • CVE-2019-12999 lnd v0.7.1 -- anything 0.7 and below is vulnerable
  • CVE-2019-13000 anything 0.3 and below is vulnerable

“We'd also like to remind the community that we still have limits in place on the network to mitigate widespread funds loss, and please keep that in mind when putting funds onto the network at this early stage,” Osuntokun said.

The Lightning Network is a "Layer 2" payment protocol that operates on top of a blockchain-based cryptocurrency such as Bitcoin. It is designed to enables fast transactions between participating nodes.

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