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Ubuntu 11.04: USN-1157-2 Moderate: Firefox Extensions Memory Issues

ubuntu
Calendar Grey June 22, 2011
Scroller Ubuntu
Upgrade to Firefox 5 to address critical memory concerns linked to various extensions, boosting user security.
This update provides provides packages compatible with Firefox 5.

Summary

This update provides provides packages compatible with Firefox 5.

Software Description:

- mozvoikko: Finnish spell-checker extension for Firefox

- ubufox: Ubuntu Firefox specific configuration defaults and apt support

- webfav: Firefox extension for saving web favorites (bookmarks)

Details:

USN-1157-1 fixed vulnerabilities in Firefox. This update provides updated

packages for use with Firefox 5.

Original advisory details:

Bob Clary, Kevin Brosnan, Gary Kwong, Jesse Ruderman, Christian Biesinger,

Bas Schouten, Igor Bukanov, Bill McCloskey, Olli Pettay, Daniel Veditz and

Marcia Knous discovered multiple memory vulnerabilities in the browser

rendering engine. An attacker could possibly execute arbitrary code with

the privileges of the user invoking Firefox. (CVE-2011-2374, CVE-2011-2375)

Martin Barbella discovered that under certain conditions, viewing a XUL

document while JavaScript was disabled caused deleted memory to be

accessed. An attacker c...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory memory issue ubuntu Firefox Firefox update web extensions

Update Instructions

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

Ubuntu 11.04:
  xul-ext-mozvoikko               1.9.0~svn20101114r3591-0ubuntu3.11.04.1
  xul-ext-ubufox                  0.9.1-0ubuntu0.11.04.1
  xul-ext-webfav                  1.17-0ubuntu5.1

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

References

https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/798484

Severity
important
Lowest
Low
Medium
High
Critical

June 22, 2011

Topics%20covered

Topics Covered

security advisory memory issue ubuntu Firefox Firefox update web extensions

Package Information

https://launchpad.net/ubuntu/+source/mozvoikko/1.9.0~svn20101114r3591-0ubuntu3.11.04.1
https://launchpad.net/ubuntu/+source/ubufox/0.9.1-0ubuntu0.11.04.1
https://launchpad.net/ubuntu/+source/webfav/1.17-0ubuntu5.1

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