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Ubuntu 10.10: USN-1149-2 Moderate: Firefox Regression Issue

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Calendar Grey June 30, 2011
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Ubuntu Security Notice USN-1150-3 tackles issues with LibreOffice, fixing document compatibility errors in certain formats.
In rare instances, Firefox could have trouble accessing some websites.

Summary

In rare instances, Firefox could have trouble accessing some websites.

Software Description:

- firefox: safe and easy web browser from Mozilla

Details:

USN-1149-1 fixed vulnerabilities in Firefox. Unfortunately, a regression

was introduced that prevented cookies from being stored properly when the

hostname was a single character. This update fixes the problem. We

apologize for the inconvenience.

Original advisory details:

Multiple memory vulnerabilities were discovered in the browser rendering

engine. An attacker could use these to possibly execute arbitrary code with

the privileges of the user invoking Firefox. (CVE-2011-2364, CVE-2011-2365,

CVE-2011-2374, CVE-2011-2376)

Martin Barbella discovered that under certain conditions, viewing a XUL

document while JavaScript was disabled caused deleted memory to be

accessed. An attacker could potentially use this to crash Firefox or

execute arbitrary code with the privileges of the user invoking Firef...

Read the Full Advisory

Update Instructions

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

Ubuntu 10.10:
  firefox                         3.6.18+build2+nobinonly-0ubuntu0.10.10.2

Ubuntu 10.04 LTS:
  firefox                         3.6.18+build2+nobinonly-0ubuntu0.10.04.2

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

References

https://ubuntu.com/security/notices/USN-1149-2

https://ubuntu.com/security/notices/USN-1149-1

https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/801778

Severity
important
Lowest
Low
Medium
High
Critical

June 29, 2011

Package Information

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