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Improper Input Validation Affecting firefox package, versions <72.0-1

0.0
medium

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Integrity High

    Threat Intelligence

    EPSS 0.17% (54th percentile)
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NVD
6.5 medium
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Red Hat
6.5 medium

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  • Snyk ID SNYK-DEBIANUNSTABLE-FIREFOX-540867
  • published 7 Jan 2020
  • disclosed 8 Jan 2020
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Introduced: 7 Jan 2020

CVE-2019-17020 Open this link in a new tab
CWE-20 Open this link in a new tab

How to fix?

Upgrade Debian:unstable firefox to version 72.0-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

If an XML file is served with a Content Security Policy and the XML file includes an XSL stylesheet, the Content Security Policy will not be applied to the contents of the XSL stylesheet. If the XSL sheet e.g. includes JavaScript, it would bypass any of the restrictions of the Content Security Policy applied to the XML document. This vulnerability affects Firefox < 72.