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USN-798-1: Firefox and Xulrunner vulnerabilities

22 July 2009

Firefox and Xulrunner vulnerabilities

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Packages

Details

Several flaws were discovered in the Firefox browser and JavaScript
engines. If a user were tricked into viewing a malicious website, a remote
attacker could cause a denial of service or possibly execute arbitrary code
with the privileges of the user invoking the program. (CVE-2009-2462,
CVE-2009-2463, CVE-2009-2464, CVE-2009-2465, CVE-2009-2466, CVE-2009-2469)

Attila Suszter discovered a flaw in the way Firefox processed Flash content.
If a user were tricked into viewing and navigating within a specially
crafted Flash object, a remote attacker could cause a denial of service or
possibly execute arbitrary code with the privileges of the user invoking
the program. (CVE-2009-2467)

It was discovered that Firefox did not properly handle some SVG content. An
attacker could exploit this to cause a denial of service or possibly
execute arbitrary code with the privileges of the user invoking the
program. (CVE-2009-2469)

A flaw was discovered in the JavaScript engine. If a user were tricked into
viewing a malicious website, an attacker could exploit this perform
cross-site scripting attacks. (CVE-2009-2472)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Update instructions

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

Ubuntu 9.04
Ubuntu 8.10
Ubuntu 8.04

After a standard system upgrade you need to restart Firefox and any
applications that use xulrunner, such as Epiphany, to effect the necessary
changes.

References

Related notices

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Further reading