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MFSA2017-19 Firefox: Security vulnerabilities fixed in Firefox ESR 52.3 (CVE-2017-7791)

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MFSA2017-19 Firefox: Security vulnerabilities fixed in Firefox ESR 52.3 (CVE-2017-7791)

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:P/A:N)
Published
08/08/2017
Created
07/25/2018
Added
08/09/2017
Modified
08/06/2018

Description

On pages containing an iframe, the "data:" protocol can be used to create a modal alert that will render over arbitrary domains following page navigation, spoofing of the origin of the modal alert from the iframe content. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.

Solution(s)

  • mozilla-firefox-esr-upgrade-52_3

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