A flaw was found in grub2 in versions prior to 2.06. The option parser allows an attacker to write past the end of a heap-allocated buffer by calling certain commands with a large number of specific short forms of options. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-20225.json"
[
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.06"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "7.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "7.2"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "7.3"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "7.4"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "7.6"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "7.7"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.2"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "7.6"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "7.7"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.1"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "7.4"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "7.6"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "7.7"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.2"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "7.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "33"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "34"
}
]
}
]