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MFSA2020-01 Firefox: Security Vulnerabilities fixed in Firefox 72 (CVE-2019-17020)

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MFSA2020-01 Firefox: Security Vulnerabilities fixed in Firefox 72 (CVE-2019-17020)

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
01/07/2020
Created
01/09/2020
Added
01/08/2020
Modified
01/16/2020

Description

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.

Solution(s)

  • mozilla-firefox-upgrade-72_0

References

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