Vulnerability Database

318,638

Total vulnerabilities in the database

CVE-2012-4684

The alert functionality in bitcoind and Bitcoin-Qt before 0.7.0 supports different character representations of the same signature data, but relies on a hash of this signature, which allows remote attackers to cause a denial of service (resource consumption) via a valid modified signature for a circulating alert.

  • Published: Mar 12, 2013
  • Updated: Nov 9, 2025
  • CVE: CVE-2012-4684
  • Severity: High
  • Exploit:

CVSS v2:

  • Severity: High
  • Score: 7.8
  • AV:N/AC:L/Au:N/C:N/I:N/A:C

CWEs:

Software From Fixed in
bitcoin / wxbitcoin 0.5.0-rc 0.5.0-rc.x
bitcoin / wxbitcoin 0.3.11 0.3.11.x
bitcoin / bitcoind 0.6.3 0.6.3.x
bitcoin / wxbitcoin 0.3.5 0.3.5.x
bitcoin / wxbitcoin 0.3.10 0.3.10.x
bitcoin / bitcoin-qt 0.6.3 0.6.3.x
bitcoin / wxbitcoin 0.3.4 0.3.4.x
bitcoin / wxbitcoin 0.3.8 0.3.8.x
bitcoin / wxbitcoin 0.4.0 0.4.0.x
bitcoin / wxbitcoin 0.4.1 0.4.1.x
bitcoin / wxbitcoin 0.4.1-rc6 0.4.1-rc6.x
bitcoin / bitcoin_core 0.3.4 0.3.4.x
bitcoin / bitcoin_core 0.3.5 0.3.5.x
bitcoin / bitcoin_core 0.3.8 0.3.8.x
bitcoin / bitcoin_core 0.3.10 0.3.10.x
bitcoin / bitcoin_core 0.3.11 0.3.11.x
bitcoin / bitcoin_core 0.3.12 0.3.12.x
bitcoin / bitcoin_core 0.4.0 0.4.0.x
bitcoin / bitcoin_core 0.4.1 0.4.1.x
bitcoin / bitcoin_core 0.4.1-rc6 0.4.1-rc6.x
bitcoin / bitcoin_core 0.4.2 0.4.2.x
bitcoin / bitcoin_core 0.4.3 0.4.3.x
bitcoin / bitcoin_core 0.4.4 0.4.4.x
bitcoin / bitcoin_core 0.4.4-rc2 0.4.4-rc2.x
bitcoin / bitcoin_core 0.4.5 0.4.5.x
bitcoin / bitcoin_core 0.4.6 0.4.6.x
bitcoin / bitcoin_core 0.4.7-rc2 0.4.7-rc2.x
bitcoin / bitcoin_core 0.5.0-rc 0.5.0-rc.x
bitcoin / bitcoin_core 0.5.3.1 0.5.3.1.x
bitcoin / bitcoin_core 0.5.4 0.5.4.x
bitcoin / bitcoin_core 0.5.5 0.5.5.x
bitcoin / bitcoin_core 0.5.6-rc2 0.5.6-rc2.x
bitcoin / bitcoin_core 0.6.0.1 0.6.0.1.x
bitcoin / bitcoin_core 0.6.0.2 0.6.0.2.x
bitcoin / bitcoin_core 0.6.0.3 0.6.0.3.x
bitcoin / bitcoin_core 0.6.0.4 0.6.0.4.x
bitcoin / bitcoin_core 0.6.0.5 0.6.0.5.x
bitcoin / bitcoin_core 0.6.0.6 0.6.0.6.x
bitcoin / bitcoin_core 0.6.0.7 0.6.0.7.x
bitcoin / bitcoin_core 0.6.0.8 0.6.0.8.x
bitcoin / bitcoin_core 0.6.2 0.6.2.x
bitcoin / bitcoin_core 0.5.3 0.5.3.x
bitcoin / bitcoin_core 0.6.1 0.6.1.x