An attacker could have caused 4 bytes of HMAC output to be written past the end of a buffer stored on the stack. This could be used by an attacker to execute arbitrary code or more likely lead to a crash. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-11759.json"
[
{
"events": [
{
"introduced": "0"
},
{
"fixed": "70.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"fixed": "68.2"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"fixed": "68.2"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "16.04"
}
]
}
]