[Trisquel-security] [USN-1306-2] Mozvoikko and ubufox update

[Micah Gersten]

==========================================================================
Ubuntu Security Notice USN-1306-2
January 06, 2012

mozvoikko, ubufox update
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 11.10
- Ubuntu 11.04

Summary:

This update provides compatible packages for Firefox 9.

Software Description:
- mozvoikko: Finnish spell-checker extension for Firefox (transitional package
- ubufox: Ubuntu Firefox specific configuration defaults and apt support

Details:

USN-1306-1 fixed vulnerabilities in Firefox. This update provides updated
Mozvoikko and ubufox packages for use with Firefox 9.

Original advisory details:

 Alexandre Poirot, Chris Blizzard, Kyle Huey, Scoobidiver, Christian Holler,
 David Baron, Gary Kwong, Jim Blandy, Bob Clary, Jesse Ruderman, Marcia
 Knous, and Rober Longson discovered several memory safety issues which
 could possibly be exploited to crash Firefox or execute arbitrary code as
 the user that invoked Firefox. (CVE-2011-3660)
 
 Aki Helin discovered a crash in the YARR regular expression library that
 could be triggered by javascript in web content. (CVE-2011-3661)
 
 It was discovered that a flaw in the Mozilla SVG implementation could
 result in an out-of-bounds memory access if SVG elements were removed
 during a DOMAttrModified event handler. An attacker could potentially
 exploit this vulnerability to crash Firefox. (CVE-2011-3658)
 
 Mario Heiderich discovered it was possible to use SVG animation accessKey
 events to detect key strokes even when JavaScript was disabled. A malicious
 web page could potentially exploit this to trick a user into interacting
 with a prompt thinking it came from the browser in a context where the user
 believed scripting was disabled. (CVE-2011-3663)
 
 It was discovered that it was possible to crash Firefox when scaling an OGG
 <video> element to extreme sizes. (CVE-2011-3665)

Update instructions:

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

Ubuntu 11.10:
  xul-ext-mozvoikko               1.10.0-0ubuntu2.2
  xul-ext-ubufox                  1.0.2-0ubuntu0.11.10.1

Ubuntu 11.04:
  xul-ext-mozvoikko               1.10.0-0ubuntu0.11.04.4
  xul-ext-ubufox                  0.9.3-0ubuntu0.11.04.1

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

References:
  http://www.ubuntu.com/usn/usn-1306-2
  http://www.ubuntu.com/usn/usn-1306-1
  https://launchpad.net/bugs/906389

Package Information:
  https://launchpad.net/ubuntu/+source/mozvoikko/1.10.0-0ubuntu2.2
  https://launchpad.net/ubuntu/+source/ubufox/1.0.2-0ubuntu0.11.10.1
  https://launchpad.net/ubuntu/+source/mozvoikko/1.10.0-0ubuntu0.11.04.4
  https://launchpad.net/ubuntu/+source/ubufox/0.9.3-0ubuntu0.11.04.1



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