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[USN-1306-2] Mozvoikko and ubufox update

Posted on 06 January 2012
Ubuntu Security

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

mozvoikko, ubufox update
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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 pa=
ckage
- 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 Holl=
er,
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 a=
s
the user that invoked Firefox. (CVE-2011-3660)
=20
Aki Helin discovered a crash in the YARR regular expression library that=

could be triggered by javascript in web content. (CVE-2011-3661)
=20
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)
=20
Mario Heiderich discovered it was possible to use SVG animation accessKe=
y
events to detect key strokes even when JavaScript was disabled. A malici=
ous
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 u=
ser
believed scripting was disabled. (CVE-2011-3663)
=20
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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