Vulnerability Details CVE-2021-39863
Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a Buffer Overflow vulnerability when parsing a specially crafted PDF file. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.119
EPSS Ranking 93.3%
CVSS Severity
CVSS v3 Score 7.8
CVSS v2 Score 6.8
Products affected by CVE-2021-39863
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cpe:2.3:a:adobe:acrobat:20.001.30005
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cpe:2.3:a:adobe:acrobat:20.001.30010
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cpe:2.3:a:adobe:acrobat:20.001.30018
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cpe:2.3:a:adobe:acrobat:20.001.30020
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cpe:2.3:a:adobe:acrobat:20.001.30025
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cpe:2.3:a:adobe:acrobat:20.001.30159
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cpe:2.3:a:adobe:acrobat:20.004.30005
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cpe:2.3:a:adobe:acrobat:20.004.30006
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cpe:2.3:a:adobe:acrobat_2017:*
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cpe:2.3:a:adobe:acrobat_dc:15.008.20082
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cpe:2.3:a:adobe:acrobat_dc:15.009.20069
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cpe:2.3:a:adobe:acrobat_dc:15.009.20071
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cpe:2.3:a:adobe:acrobat_dc:15.009.20077
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cpe:2.3:a:adobe:acrobat_dc:15.009.20079
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cpe:2.3:a:adobe:acrobat_dc:15.010.20056
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cpe:2.3:a:adobe:acrobat_dc:15.010.20059
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cpe:2.3:a:adobe:acrobat_dc:15.010.20060
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cpe:2.3:a:adobe:acrobat_dc:15.016.20039
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cpe:2.3:a:adobe:acrobat_dc:15.016.20041
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cpe:2.3:a:adobe:acrobat_dc:15.016.20045
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cpe:2.3:a:adobe:acrobat_dc:15.017.20050
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cpe:2.3:a:adobe:acrobat_dc:15.017.20053
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cpe:2.3:a:adobe:acrobat_dc:15.020.20039
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cpe:2.3:a:adobe:acrobat_dc:15.020.20042
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cpe:2.3:a:adobe:acrobat_dc:15.023.20053
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cpe:2.3:a:adobe:acrobat_dc:15.023.20056
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cpe:2.3:a:adobe:acrobat_dc:15.023.20070
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cpe:2.3:a:adobe:acrobat_dc:17.000.0000
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cpe:2.3:a:adobe:acrobat_dc:17.009.20044
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cpe:2.3:a:adobe:acrobat_dc:17.009.20058
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cpe:2.3:a:adobe:acrobat_dc:17.012.20093
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cpe:2.3:a:adobe:acrobat_dc:17.012.20095
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cpe:2.3:a:adobe:acrobat_dc:17.012.20096
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cpe:2.3:a:adobe:acrobat_dc:17.012.20098
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cpe:2.3:a:adobe:acrobat_dc:18.0
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cpe:2.3:a:adobe:acrobat_dc:18.009.20044
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cpe:2.3:a:adobe:acrobat_dc:18.009.20050
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cpe:2.3:a:adobe:acrobat_dc:18.011.20035
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cpe:2.3:a:adobe:acrobat_dc:18.011.20036
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cpe:2.3:a:adobe:acrobat_dc:18.011.20038
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cpe:2.3:a:adobe:acrobat_dc:18.011.20040
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cpe:2.3:a:adobe:acrobat_dc:18.011.20055
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cpe:2.3:a:adobe:acrobat_dc:18.011.20058
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cpe:2.3:a:adobe:acrobat_dc:18.011.20063
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cpe:2.3:a:adobe:acrobat_dc:19.008.20071
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cpe:2.3:a:adobe:acrobat_dc:19.008.20074
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cpe:2.3:a:adobe:acrobat_dc:19.008.20080
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cpe:2.3:a:adobe:acrobat_dc:19.008.20081
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cpe:2.3:a:adobe:acrobat_dc:19.010.20064
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cpe:2.3:a:adobe:acrobat_dc:19.010.20069
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cpe:2.3:a:adobe:acrobat_dc:19.010.20091
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cpe:2.3:a:adobe:acrobat_dc:19.010.20098
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cpe:2.3:a:adobe:acrobat_dc:19.010.20099
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cpe:2.3:a:adobe:acrobat_dc:19.010.20100
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cpe:2.3:a:adobe:acrobat_dc:19.012.20034
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cpe:2.3:a:adobe:acrobat_dc:19.012.20035
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cpe:2.3:a:adobe:acrobat_dc:19.012.20036
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cpe:2.3:a:adobe:acrobat_dc:19.012.20040
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cpe:2.3:a:adobe:acrobat_dc:19.021.20047
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cpe:2.3:a:adobe:acrobat_dc:19.021.20048
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cpe:2.3:a:adobe:acrobat_dc:19.021.20049
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cpe:2.3:a:adobe:acrobat_dc:19.021.20056
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cpe:2.3:a:adobe:acrobat_dc:19.021.20058
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cpe:2.3:a:adobe:acrobat_dc:19.021.20061
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cpe:2.3:a:adobe:acrobat_dc:20.006.20034
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cpe:2.3:a:adobe:acrobat_dc:20.006.20042
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cpe:2.3:a:adobe:acrobat_dc:20.009.20063
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cpe:2.3:a:adobe:acrobat_dc:20.009.20065
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cpe:2.3:a:adobe:acrobat_dc:20.009.20067
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cpe:2.3:a:adobe:acrobat_dc:20.009.20074
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cpe:2.3:a:adobe:acrobat_dc:20.012.20041
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cpe:2.3:a:adobe:acrobat_dc:20.012.20043
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cpe:2.3:a:adobe:acrobat_dc:20.012.20048
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cpe:2.3:a:adobe:acrobat_dc:20.013.20064
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cpe:2.3:a:adobe:acrobat_dc:20.013.20066
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cpe:2.3:a:adobe:acrobat_dc:20.013.20074
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cpe:2.3:a:adobe:acrobat_dc:21.001.20135
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cpe:2.3:a:adobe:acrobat_dc:21.001.20138
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cpe:2.3:a:adobe:acrobat_dc:21.001.20140
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cpe:2.3:a:adobe:acrobat_dc:21.001.20142
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cpe:2.3:a:adobe:acrobat_dc:21.001.20145
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cpe:2.3:a:adobe:acrobat_dc:21.001.20149
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cpe:2.3:a:adobe:acrobat_dc:21.001.20150
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cpe:2.3:a:adobe:acrobat_dc:21.001.20155
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cpe:2.3:a:adobe:acrobat_dc:21.005.20048
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cpe:2.3:a:adobe:acrobat_dc:21.005.20054
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cpe:2.3:a:adobe:acrobat_dc:21.005.20058
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cpe:2.3:a:adobe:acrobat_dc:21.005.20060
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cpe:2.3:a:adobe:acrobat_reader:20.001.30005
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cpe:2.3:a:adobe:acrobat_reader:20.001.30010
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cpe:2.3:a:adobe:acrobat_reader:20.001.30018
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cpe:2.3:a:adobe:acrobat_reader:20.001.300183
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cpe:2.3:a:adobe:acrobat_reader:20.001.30020
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cpe:2.3:a:adobe:acrobat_reader:20.001.30025
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cpe:2.3:a:adobe:acrobat_reader:20.004.30005
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cpe:2.3:a:adobe:acrobat_reader:20.004.30006
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cpe:2.3:a:adobe:acrobat_reader_2017:*
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cpe:2.3:a:adobe:acrobat_reader_dc:15.008.20082
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cpe:2.3:a:adobe:acrobat_reader_dc:15.009.20069
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cpe:2.3:a:adobe:acrobat_reader_dc:15.009.20071
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cpe:2.3:a:adobe:acrobat_reader_dc:15.009.20077
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cpe:2.3:a:adobe:acrobat_reader_dc:15.009.20079
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cpe:2.3:a:adobe:acrobat_reader_dc:15.010.20056
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cpe:2.3:a:adobe:acrobat_reader_dc:15.010.20059
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cpe:2.3:a:adobe:acrobat_reader_dc:15.010.20060
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cpe:2.3:a:adobe:acrobat_reader_dc:15.016.20039
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cpe:2.3:a:adobe:acrobat_reader_dc:15.016.20041
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cpe:2.3:a:adobe:acrobat_reader_dc:15.016.20045
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cpe:2.3:a:adobe:acrobat_reader_dc:15.017.20050
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cpe:2.3:a:adobe:acrobat_reader_dc:15.017.20053
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cpe:2.3:a:adobe:acrobat_reader_dc:15.020.20039
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cpe:2.3:a:adobe:acrobat_reader_dc:15.020.20042
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cpe:2.3:a:adobe:acrobat_reader_dc:15.023.20053
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cpe:2.3:a:adobe:acrobat_reader_dc:15.023.20056
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cpe:2.3:a:adobe:acrobat_reader_dc:15.023.20070
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cpe:2.3:a:adobe:acrobat_reader_dc:17.000.0000
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cpe:2.3:a:adobe:acrobat_reader_dc:17.009.20044
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cpe:2.3:a:adobe:acrobat_reader_dc:17.009.20058
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cpe:2.3:a:adobe:acrobat_reader_dc:17.012.20093
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cpe:2.3:a:adobe:acrobat_reader_dc:17.012.20095
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cpe:2.3:a:adobe:acrobat_reader_dc:17.012.20098
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cpe:2.3:a:adobe:acrobat_reader_dc:18.0
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cpe:2.3:a:adobe:acrobat_reader_dc:18.009.20044
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cpe:2.3:a:adobe:acrobat_reader_dc:18.009.20050
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cpe:2.3:a:adobe:acrobat_reader_dc:18.011.20035
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cpe:2.3:a:adobe:acrobat_reader_dc:18.011.20036
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cpe:2.3:a:adobe:acrobat_reader_dc:18.011.20038
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cpe:2.3:a:adobe:acrobat_reader_dc:18.011.20040
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cpe:2.3:a:adobe:acrobat_reader_dc:18.011.20055
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cpe:2.3:a:adobe:acrobat_reader_dc:18.011.20058
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cpe:2.3:a:adobe:acrobat_reader_dc:18.011.20063
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cpe:2.3:a:adobe:acrobat_reader_dc:19.008.20071
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cpe:2.3:a:adobe:acrobat_reader_dc:19.008.20074
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cpe:2.3:a:adobe:acrobat_reader_dc:19.008.20080
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cpe:2.3:a:adobe:acrobat_reader_dc:19.008.20081
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cpe:2.3:a:adobe:acrobat_reader_dc:19.010.20064
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cpe:2.3:a:adobe:acrobat_reader_dc:19.010.20069
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cpe:2.3:a:adobe:acrobat_reader_dc:19.010.20091
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cpe:2.3:a:adobe:acrobat_reader_dc:19.010.20098
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cpe:2.3:a:adobe:acrobat_reader_dc:19.010.20099
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cpe:2.3:a:adobe:acrobat_reader_dc:19.010.20100
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cpe:2.3:a:adobe:acrobat_reader_dc:19.012.20034
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cpe:2.3:a:adobe:acrobat_reader_dc:19.012.20035
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cpe:2.3:a:adobe:acrobat_reader_dc:19.012.20036
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cpe:2.3:a:adobe:acrobat_reader_dc:19.012.20040
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cpe:2.3:a:adobe:acrobat_reader_dc:19.021.20047
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cpe:2.3:a:adobe:acrobat_reader_dc:19.021.20048
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cpe:2.3:a:adobe:acrobat_reader_dc:19.021.20049
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cpe:2.3:a:adobe:acrobat_reader_dc:19.021.20056
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cpe:2.3:a:adobe:acrobat_reader_dc:19.021.20058
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cpe:2.3:a:adobe:acrobat_reader_dc:19.021.20061
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cpe:2.3:a:adobe:acrobat_reader_dc:20.006.20034
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cpe:2.3:a:adobe:acrobat_reader_dc:20.006.20042
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cpe:2.3:a:adobe:acrobat_reader_dc:20.009.20063
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cpe:2.3:a:adobe:acrobat_reader_dc:20.009.20065
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cpe:2.3:a:adobe:acrobat_reader_dc:20.009.20067
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cpe:2.3:a:adobe:acrobat_reader_dc:20.009.20074
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cpe:2.3:a:adobe:acrobat_reader_dc:20.012.20041
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cpe:2.3:a:adobe:acrobat_reader_dc:20.012.20043
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cpe:2.3:a:adobe:acrobat_reader_dc:20.012.20048
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cpe:2.3:a:adobe:acrobat_reader_dc:20.013.20064
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cpe:2.3:a:adobe:acrobat_reader_dc:20.013.20066
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cpe:2.3:a:adobe:acrobat_reader_dc:20.013.20074
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cpe:2.3:a:adobe:acrobat_reader_dc:21.001.20135
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cpe:2.3:a:adobe:acrobat_reader_dc:21.001.20138
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cpe:2.3:a:adobe:acrobat_reader_dc:21.001.20140
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cpe:2.3:a:adobe:acrobat_reader_dc:21.001.20142
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cpe:2.3:a:adobe:acrobat_reader_dc:21.001.20145
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cpe:2.3:a:adobe:acrobat_reader_dc:21.001.20149
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cpe:2.3:a:adobe:acrobat_reader_dc:21.001.20150
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cpe:2.3:a:adobe:acrobat_reader_dc:21.001.20155
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cpe:2.3:a:adobe:acrobat_reader_dc:21.005.20048
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cpe:2.3:a:adobe:acrobat_reader_dc:21.005.20054
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cpe:2.3:a:adobe:acrobat_reader_dc:21.005.20058
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cpe:2.3:a:adobe:acrobat_reader_dc:21.005.20060
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cpe:2.3:o:microsoft:windows:-