Security Information / 2017 / Security Information -- DSA-4062-1 firefox-esr

Debian Security Advisory

DSA-4062-1 firefox-esr -- security update

Date Reported:

10 Dec 2017

Affected Packages:

firefox-esr

Vulnerable:

Yes

Security database references:

In Mitre's CVE dictionary: CVE-2017-7843.

More information:

It was 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