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Ubuntu: poppler vulnerability  18 January 2007 
Posted by Benjamin D. Thomas   
The poppler PDF loader library did not limit the recursion depth of the page model tree. By tricking a user into opening a specially crafter PDF file, this could be exploited to trigger an infinite loop and eventually crash an application that uses this library. kpdf in Ubuntu 5.10, and KOffice in all Ubuntu releases contains a copy of this code and thus is affected as well.
 
Ubuntu: ksirc vulnerability  15 January 2007 
Posted by Benjamin D. Thomas   
Federico L. Bossi Bonin discovered a Denial of Service vulnerability in ksirc. By sending a special response packet, a malicious IRC server could crash ksirc.
 
Ubuntu: krb5 vulnerability  15 January 2007 
Posted by Benjamin D. Thomas   
The server-side portion of Kerberos' RPC library had a memory management flaw which allowed users of that library to call a function pointer located in unallocated memory. By doing specially crafted calls to the kadmind server, a remote attacker could exploit this to execute arbitrary code with root privileges on the target computer.
 
Ubuntu: libgtop2 vulnerability  15 January 2007 
Posted by Benjamin D. Thomas   
Liu Qishuai discovered a buffer overflow in the /proc parsing routines in libgtop. By creating and running a process in a specially crafted long path and tricking an user into running gnome-system-monitor, an attacker could exploit this to execute arbitrary code with the user's privileges.
 
Ubuntu: OpenOffice.org vulnerability  12 January 2007 
Posted by Benjamin D. Thomas   
An integer overflow was discovered in OpenOffice.org's handling of WMF files. If a user were tricked into opening a specially crafted WMF file, an attacker could execute arbitrary code with user privileges.
 
Ubuntu: fetchmail vulnerability  11 January 2007 
Posted by Benjamin D. Thomas   
It was discovered that fetchmail did not correctly require TLS negotiation in certain situations. This would result in a user's unencrypted password being sent across the network.If fetchmail has been configured to use the "sslproto tls1", "sslcertck", or "sslfingerprint" options with a server that does not correctly support TLS negotiation, this update may cause fetchmail to (correctly) abort authentication.
 
Ubuntu: MadWifi vulnerability  09 January 2007 
Posted by Benjamin D. Thomas   
Laurent Butti, Jerome Razniewski, and Julien Tinnes discovered that the MadWifi wireless driver did not correctly check packet contents when receiving scan replies. A remote attacker could send a specially crafted packet and execute arbitrary code with root privileges.
 
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