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Information Exposure Affecting firefox package, versions <74.0-1

0.0
high

Snyk CVSS

    Attack Complexity Low
    Confidentiality High

    Threat Intelligence

    EPSS 0.18% (55th 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-559697
  • published 11 Mar 2020
  • disclosed 25 Mar 2020
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Introduced: 11 Mar 2020

CVE-2020-6809 Open this link in a new tab
CWE-200 Open this link in a new tab

How to fix?

Upgrade Debian:unstable firefox to version 74.0-1 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.

When a Web Extension had the all-urls permission and made a fetch request with a mode set to 'same-origin', it was possible for the Web Extension to read local files. This vulnerability affects Firefox < 74.