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MFSA2020-08 Firefox: Security Vulnerabilities fixed in Firefox 74 (CVE-2020-6809)

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MFSA2020-08 Firefox: Security Vulnerabilities fixed in Firefox 74 (CVE-2020-6809)

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:N)
Published
03/10/2020
Created
03/12/2020
Added
03/11/2020
Modified
04/01/2020

Description

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.

Solution(s)

  • mozilla-firefox-upgrade-74_0

References

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