Bitcoin vulnerabilities
We track 4 vulnerabilities in Bitcoin products across 2 products. 4 are rated high or critical, and none are known to be exploited. The most recent was published on November 18, 2024.
Latest Bitcoin vulnerabilities
- 7.5 High severity
bitcoin_core: Integer Overflow or Wraparound
Bitcoin Core before 0.21.0 allows a network split that is resultant from an integer overflow (calculating the time offset for newly connecting peers) and an abs64 logic bug.
- 7.5 High severity
bitcoin: Allocation of Resources Without Limits or Throttling
Bitcoin Core before 25.0 allows remote attackers to cause a denial of service (blocktxn message-handling assertion and node exit) by including transactions in a blocktxn message that are not committed to in a block's merkle root. FillBlock can be called twice
- 7.5 High severity
Bitcoin Core: Missing Encryption of Sensitive Data
Memory management and protection issues in Bitcoin Core v22 allows attackers to modify the stored sending address within the app's memory, potentially allowing them to redirect Bitcoin transactions to wallets of their own choosing.
- 7.5 High severity
Bitcoin Core: Uncontrolled Resource Consumption
Bitcoin Core before 24.1, when debug mode is not used, allows attackers to cause a denial of service (e.g., CPU consumption) because draining the inventory-to-send queue is inefficient, as exploited in the wild in May 2023.