Bitcoin · Bitcoin-Qt · CVE-2012-2459
**Name of the Vulnerable Software and Affected Versions**
Bitcoin-Qt versions prior to 0.4.6
Bitcoin-Qt versions 0.5.x prior to 0.5.5
Bitcoin-Qt versions 0.6.0.x prior to 0.6.0.7
Bitcoin-Qt versions 0.6.x prior to 0.6.2
**Description**
The issue allows remote attackers to cause a denial of service, resulting in a block-processing outage and incorrect block count, via unknown behavior on a Bitcoin network.
**Recommendations**
For versions prior to 0.4.6, update to version 0.4.6 or later.
For versions 0.5.x prior to 0.5.5, update to version 0.5.5 or later.
For versions 0.6.0.x prior to 0.6.0.7, update to version 0.6.0.7 or later.
For versions 0.6.x prior to 0.6.2, update to version 0.6.2 or later.