Vulnerability Details CVE-2018-6406
The function ParseVP9SuperFrameIndex in common/libwebm_util.cc in libwebm through 2018-01-30 does not validate the child_frame_length data obtained from a .webm file, which allows remote attackers to cause an information leak or a denial of service (heap-based buffer over-read and later out-of-bounds write), or possibly have unspecified other impact.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 61.7%
CVSS Severity
CVSS v3 Score 8.8
CVSS v2 Score 6.8
Products affected by CVE-2018-6406
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cpe:2.3:a:webmproject:libwebm:1.0.0.10
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cpe:2.3:a:webmproject:libwebm:1.0.0.11
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cpe:2.3:a:webmproject:libwebm:1.0.0.12
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cpe:2.3:a:webmproject:libwebm:1.0.0.13
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cpe:2.3:a:webmproject:libwebm:1.0.0.14
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cpe:2.3:a:webmproject:libwebm:1.0.0.15
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cpe:2.3:a:webmproject:libwebm:1.0.0.16
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cpe:2.3:a:webmproject:libwebm:1.0.0.17
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cpe:2.3:a:webmproject:libwebm:1.0.0.18
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cpe:2.3:a:webmproject:libwebm:1.0.0.19
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cpe:2.3:a:webmproject:libwebm:1.0.0.2
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cpe:2.3:a:webmproject:libwebm:1.0.0.20
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cpe:2.3:a:webmproject:libwebm:1.0.0.21
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cpe:2.3:a:webmproject:libwebm:1.0.0.22
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cpe:2.3:a:webmproject:libwebm:1.0.0.23
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cpe:2.3:a:webmproject:libwebm:1.0.0.24
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cpe:2.3:a:webmproject:libwebm:1.0.0.25
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cpe:2.3:a:webmproject:libwebm:1.0.0.26
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cpe:2.3:a:webmproject:libwebm:1.0.0.27
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cpe:2.3:a:webmproject:libwebm:1.0.0.3
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cpe:2.3:a:webmproject:libwebm:1.0.0.4
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cpe:2.3:a:webmproject:libwebm:1.0.0.5
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cpe:2.3:a:webmproject:libwebm:1.0.0.6
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cpe:2.3:a:webmproject:libwebm:1.0.0.7
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cpe:2.3:a:webmproject:libwebm:1.0.0.8
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cpe:2.3:a:webmproject:libwebm:1.0.0.9