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Ubuntu.comUB:CVE-2017-7820HistoryOct 02, 2017 - 12:00 a.m.
CVE-2017-7820
2017-10-0200:00:00
ubuntu.com
ubuntu.com
9
0.005 Low
EPSS
Percentile
75.9%
The “instanceof” operator can bypass the Xray wrapper mechanism. When
called on web content from the browser itself or an extension the web
content can provide its own result for that operator, possibly tricking the
browser or extension into mishandling the element. This vulnerability
affects Firefox < 56.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 17.10 | noarch | firefox | < 56.0+build6-0ubuntu1 | UNKNOWN |
| ubuntu | 18.04 | noarch | firefox | < 56.0+build6-0ubuntu1 | UNKNOWN |
| ubuntu | 14.04 | noarch | firefox | < 56.0+build6-0ubuntu0.14.04.1 | UNKNOWN |
| ubuntu | 16.04 | noarch | firefox | < 56.0+build6-0ubuntu0.16.04.1 | UNKNOWN |
| ubuntu | 17.04 | noarch | firefox | < 56.0+build6-0ubuntu0.17.04.1 | UNKNOWN |
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