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MFSA2019-26 Firefox: Security vulnerabilities fixed in Firefox ESR 68.1 (CVE-2019-11743)

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MFSA2019-26 Firefox: Security vulnerabilities fixed in Firefox ESR 68.1 (CVE-2019-11743)

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

Description

Navigation events were not fully adhering to the W3C's "Navigation-Timing Level 2" draft specification in some instances for the unload event, which restricts access to detailed timing attributes to only be same-origin. This resulted in potential cross-origin information exposure of history through timing side-channel attacks. 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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