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MFSA2019-26 Firefox: Security vulnerabilities fixed in Firefox ESR 68.1 (CVE-2019-11744)

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MFSA2019-26 Firefox: Security vulnerabilities fixed in Firefox ESR 68.1 (CVE-2019-11744)

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
09/03/2019
Created
09/04/2019
Added
09/04/2019
Modified
10/04/2019

Description

Some HTML elements, such as &lt;title&gt; and &lt;textarea&gt;, can contain literal angle brackets without treating them as markup. It is possible to pass a literal closing tag to .innerHTML on these elements, and subsequent content after that will be parsed as if it were outside the tag. This can lead to XSS if a site does not filter user input as strictly for these elements as it does for other elements. This vulnerability affects Firefox < 69, Thunderbird < 68.1, Thunderbird < 60.9, Firefox ESR < 60.9, and Firefox ESR < 68.1.

Solution(s)

  • mozilla-firefox-esr-upgrade-68_1

References

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