Bitcoin Core 0.14.x before 0.14.3, 0.15.x before 0.15.2, and 0.16.x before 0.16.3 and Bitcoin Knots 0.14.x through 0.16.x before 0.16.3 allow a remote denial of service (application crash) exploitable by miners via duplicate input. An attacker can make bitcoind or Bitcoin-Qt crash.
{
"versions": [
{
"introduced": "0.14.0"
},
{
"fixed": "0.14.3"
},
{
"introduced": "0.15.0"
},
{
"fixed": "0.15.2"
},
{
"introduced": "0.16.0"
},
{
"fixed": "0.16.3"
},
{
"introduced": "0.14.0"
},
{
"fixed": "0.16.3"
}
]
}