Vulnerability Details CVE-2018-9918
libqpdf.a in QPDF through 8.0.2 mishandles certain "expected dictionary key but found non-name object" cases, allowing remote attackers to cause a denial of service (stack exhaustion), related to the QPDFObjectHandle and QPDF_Dictionary classes, because nesting in direct objects is not restricted.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 29.8%
CVSS Severity
CVSS v3 Score 7.8
CVSS v2 Score 6.8
Products affected by CVE-2018-9918
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cpe:2.3:a:qpdf_project:qpdf:-
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cpe:2.3:a:qpdf_project:qpdf:2.0
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cpe:2.3:a:qpdf_project:qpdf:2.0.1
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cpe:2.3:a:qpdf_project:qpdf:2.0.2
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cpe:2.3:a:qpdf_project:qpdf:2.0.3
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cpe:2.3:a:qpdf_project:qpdf:2.0.4
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cpe:2.3:a:qpdf_project:qpdf:2.0.5
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cpe:2.3:a:qpdf_project:qpdf:2.0.6
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cpe:2.3:a:qpdf_project:qpdf:2.1
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cpe:2.3:a:qpdf_project:qpdf:2.1.1
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cpe:2.3:a:qpdf_project:qpdf:2.1.2
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cpe:2.3:a:qpdf_project:qpdf:2.1.3
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cpe:2.3:a:qpdf_project:qpdf:2.1.4
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cpe:2.3:a:qpdf_project:qpdf:2.1.5
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cpe:2.3:a:qpdf_project:qpdf:2.2.0
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cpe:2.3:a:qpdf_project:qpdf:2.2.1
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cpe:2.3:a:qpdf_project:qpdf:2.2.2
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cpe:2.3:a:qpdf_project:qpdf:2.2.3
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cpe:2.3:a:qpdf_project:qpdf:2.2.4
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cpe:2.3:a:qpdf_project:qpdf:2.3.0
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cpe:2.3:a:qpdf_project:qpdf:2.3.1
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cpe:2.3:a:qpdf_project:qpdf:3.0.0
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cpe:2.3:a:qpdf_project:qpdf:3.0.1
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cpe:2.3:a:qpdf_project:qpdf:3.0.2
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cpe:2.3:a:qpdf_project:qpdf:4.0.0
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cpe:2.3:a:qpdf_project:qpdf:4.0.1
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cpe:2.3:a:qpdf_project:qpdf:4.1.0
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cpe:2.3:a:qpdf_project:qpdf:4.2.0
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cpe:2.3:a:qpdf_project:qpdf:5.0.0
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cpe:2.3:a:qpdf_project:qpdf:5.0.1
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cpe:2.3:a:qpdf_project:qpdf:5.1.0
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cpe:2.3:a:qpdf_project:qpdf:5.1.1
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cpe:2.3:a:qpdf_project:qpdf:5.1.2
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cpe:2.3:a:qpdf_project:qpdf:5.1.3
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cpe:2.3:a:qpdf_project:qpdf:5.2.0
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cpe:2.3:a:qpdf_project:qpdf:6.0.0
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cpe:2.3:a:qpdf_project:qpdf:7.0.0
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cpe:2.3:a:qpdf_project:qpdf:7.1.0
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cpe:2.3:a:qpdf_project:qpdf:7.1.1
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cpe:2.3:a:qpdf_project:qpdf:8.0.0
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cpe:2.3:a:qpdf_project:qpdf:8.0.1
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cpe:2.3:a:qpdf_project:qpdf:8.0.2
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cpe:2.3:o:canonical:ubuntu_linux:14.04
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cpe:2.3:o:canonical:ubuntu_linux:16.04
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cpe:2.3:o:canonical:ubuntu_linux:17.10