Security Advisory

CVE-2017-7843

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2018-06-11 21:00:00

Last updated 2024-08-05 16:19:28

Assigner mozilla

CVSS score not scored

State PUBLISHED

Description

When Private Browsing mode is used, it is possible for a web worker to write persistent data to IndexedDB and fingerprint a user uniquely. IndexedDB should not be available in Private Browsing mode and this stored data will persist across multiple private browsing mode sessions because it is not cleared when exiting. This vulnerability affects Firefox ESR < 52.5.2 and Firefox < 57.0.1.

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