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AUSCERT Security Bulletin
Mozilla Firefox, Thunderbird, and SeaMonkey: Execute
arbitrary code/commands - Remote with user interaction
13 February 2012
AusCERT Security Bulletin Summary
Product: Mozilla Firefox
Operating System: UNIX variants (UNIX, Linux, OSX)
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Denial of Service -- Remote with User Interaction
CVE Names: CVE-2012-0452
Member content until: Wednesday, March 14 2012
A denial of service vulnerability has been fixed in Mozilla Firefox and
Thunderbird prior to 10.0.1, and in Seamonkey prior to version 2.7.1.
Firefox 9 and earlier are not affected by this vulnerability.
The vendor has provided the following details about the vulnerability:
"Mozilla developers Andrew McCreight and Olli Pettay found that
ReadPrototypeBindings will leave a XBL binding in a hash table even when
the function fails. If this occurs, when the cycle collector reads this
hash table and attempts to do a virtual method on this binding a crash
will occur. This crash may be potentially exploitable."
Users of the affected versions should upgrade to the latest versions of
Firefox, Thunderbird,  and SeaMonkey. 
 Mozilla Foundation Security Advisory 2012-10
 Mozilla Firefox Web Browser - Free Download
 Thunderbird - Software made to make email easier
 The SeaMonkey Project
AusCERT has made every effort to ensure that the information contained
in this document is accurate. However, the decision to use the information
described is the responsibility of each user or organisation. The decision to
follow or act on information or advice contained in this security bulletin is
the responsibility of each user or organisation, and should be considered in
accordance with your organisation's site policies and procedures. AusCERT
takes no responsibility for consequences which may arise from following or
acting on information or advice contained in this security bulletin.
Australian Computer Emergency Response Team
The University of Queensland
Internet Email: firstname.lastname@example.org
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
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