USN-3315-1: Firefox vulnerabilities

15 June 2017

Firefox could be made to crash or run programs as your login if it opened a malicious website.

Releases

Packages

  • firefox - Mozilla Open Source web browser

Details

Multiple security issues were discovered in Firefox. If a user were
tricked in to opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, read uninitialized
memory, obtain sensitive information, spoof the addressbar contents, or
execute arbitrary code. (CVE-2017-5470, CVE-2017-5471, CVE-2017-5472,
CVE-2017-7749, CVE-2017-7750, CVE-2017-7751, CVE-2017-7752, CVE-2017-7754,
CVE-2017-7756, CVE-2017-7757, CVE-2017-7758, CVE-2017-7762, CVE-2017-7764)

Multiple security issues were discovered in the Graphite 2 library used by
Firefox. If a user were tricked in to opening a specially crafted website,
an attacker could potentially exploit these to cause a denial of service,
read uninitialized memory, or execute arbitrary code. (CVE-2017-7771,
CVE-2017-7772, CVE-2017-7773, CVE-2017-7774, CVE-2017-7775, CVE-2017-7776,
CVE-2017-7777, CVE-2017-7778)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 17.04
Ubuntu 16.10
Ubuntu 16.04
Ubuntu 14.04

After a standard system update you need to restart Firefox to make
all the necessary changes.

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