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redhatRedHatRHSA-2017:3382
HistoryDec 04, 2017 - 11:25 p.m.

(RHSA-2017:3382) Important: firefox security update

2017-12-0423:25:23
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Mozilla Firefox is an open source web browser.

This update upgrades Firefox to version 52.5.1 ESR.

Security Fix(es):

  • A privacy flaw was discovered in Firefox. In Private Browsing mode, a web worker could write persistent data to IndexedDB, which was not cleared when exiting and would persist across multiple sessions. A malicious website could exploit the flaw to bypass private-browsing protections and uniquely fingerprint visitors. (CVE-2017-7843)

Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Konark as the original reporter.