https://source.android.com/security/bulletin/2019-12-01 CVE-2018-20961 CVE-2019-15220 CVE-2019-15239 CVE-2017-0648 CVE-2017-0510
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https://source.android.com/security/bulletin/2019-12-01 CVE-2018-20961 CVE-2019-15220 CVE-2019-15239 CVE-2017-0648 CVE-2017-0510