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Ubuntu: Firefox and xulrunner vulnerabilities  24 September 2008 
Posted by Benjamin D. Thomas   
Justin Schuh, Tom Cross and Peter Williams discovered errors in the Firefox URL parsing routines. If a user were tricked into opening a crafted hyperlink, an attacker could overflow a stack buffer and execute arbitrary code. (CVE-2008-0016)
 
Ubuntu: rdesktop vulnerabilities  18 September 2008 
Posted by Benjamin D. Thomas   
It was discovered that rdesktop did not properly validate the length of packet headers when processing RDP requests. If a user were tricked into connecting to a malicious server, an attacker could cause a denial of service or possible execute arbitrary code with the privileges of the user. (CVE-2008-1801)
 
Ubuntu: libxml2 vulnerabilities  11 September 2008 
Posted by Benjamin D. Thomas   
It was discovered that libxml2 did not correctly handle long entity names. If a user were tricked into processing a specially crafted XML document, a remote attacker could execute arbitrary code with user privileges or cause the application linked against libxml2 to crash, leading to a denial of service. (CVE-2008-3529)
 
Ubuntu: FreeType vulnerabilities  11 September 2008 
Posted by Benjamin D. Thomas   
Multiple flaws were discovered in the PFB and TTF font handling code in freetype. If a user were tricked into using a specially crafted font file, a remote attacker could execute arbitrary code with user privileges or cause the application linked against freetype to crash, leading to a denial of service.
 
Ubuntu: Postfix vulnerabilities  10 September 2008 
Posted by Benjamin D. Thomas   
Wietse Venema discovered that Postfix leaked internal file descriptors when executing non-Postfix commands. A local attacker could exploit this to cause Postfix to run out of descriptors, leading to a denial of service.
 
Ubuntu: Racoon vulnerabilities  08 September 2008 
Posted by Benjamin D. Thomas   
It was discovered that there were multiple ways to leak memory during the IKE negotiation when handling certain packets. If a remote attacker sent repeated malicious requests, the "racoon" key exchange server could allocate large amounts of memory, possibly leading to a denial of service.
 
Ubuntu: libxml2 vulnerability  03 September 2008 
Posted by Benjamin D. Thomas   
Andreas Solberg discovered that libxml2 did not handle recursive entities safely. If an application linked against libxml2 were made to process a specially crafted XML document, a remote attacker could exhaust the system's CPU resources, leading to a denial of service.
 
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