It discovered that the Private Browsing mode in the Mozilla Firefox web browser allowed to fingerprint a user across multiple sessions via IndexedDB.

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Debian Security Advisory DSA-4062-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
https://www.debian.org/security/                       Moritz Muehlenhoff
December 10, 2017                     https://www.debian.org/security/faq
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Package        : firefox-esr
CVE ID         : CVE-2017-7843

It discovered that the Private Browsing mode in the Mozilla Firefox
web browser allowed to fingerprint a user across multiple sessions
via IndexedDB.

For the oldstable distribution (jessie), this problem has been fixed
in version 52.5.2esr-1~deb8u1.

For the stable distribution (stretch), this problem has been fixed in
version 52.5.2esr-1~deb9u1.

We recommend that you upgrade your firefox-esr packages.

For the detailed security status of firefox-esr please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/firefox-esr

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it.