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, …
Published: 2013-03-12 · CVSS: Unscored
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7