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Improper Input Validation Affecting firefox package, versions <76.0-1

0.0
high

Snyk CVSS

    Attack Complexity Low
    Integrity High

    Threat Intelligence

    EPSS 0.11% (43rd percentile)
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NVD
7.5 high
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Red Hat
7.5 high

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  • Snyk ID SNYK-DEBIANUNSTABLE-FIREFOX-568209
  • published 5 May 2020
  • disclosed 26 May 2020
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Introduced: 5 May 2020

CVE-2020-12391 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 76.0-1 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.

Documents formed using data: URLs in an OBJECT element failed to inherit the CSP of the creating context. This allowed the execution of scripts that should have been blocked, albeit with a unique opaque origin. This vulnerability affects Firefox < 76.