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Ubuntu: 1085-2: tiff regression  14 March 2011 
Posted by Benjamin D. Thomas   
USN-1085-1 fixed vulnerabilities in the system TIFF library. The upstreamfixes were incomplete and created problems for certain CCITTFAX4 files.This update fixes the problem. [More...]
Ubuntu: 1087-1: libvpx vulnerability  11 March 2011 
Posted by Benjamin D. Thomas   
Chris Evans discovered that libvpx did not properly perform boundschecking. If an application using libvpx opened a specially crafted WebMfile, an attacker could cause a denial of service. [More...]
Ubuntu: 1086-1: Linux kernel (EC2) vulnerabilities  08 March 2011 
Posted by Benjamin D. Thomas   
Dan Rosenberg discovered that multiple terminal ioctls did not correctlyinitialize structure memory. A local attacker could exploit this toread portions of kernel stack memory, leading to a loss of privacy.(CVE-2010-4076, CVE-2010-4077) [More...]
Ubuntu: 1049-2: Firefox and Xulrunner vulnerabilities  07 March 2011 
Posted by Benjamin D. Thomas   
USN-1049-1 fixed vulnerabilities in Firefox and Xulrunner. That updateintroduced a regression where some Java applets would fail to load. Thisupdate fixes the problem. [More...]
Ubuntu: 1084-1: avahi vulnerability  07 March 2011 
Posted by Benjamin D. Thomas   
It was discovered that Avahi incorrectly handled empty UDP packets. Aremote attacker could send a specially-crafted packet and cause Avahi tohang, resulting in a denial of service. [More...]
Ubuntu: 1085-1: tiff vulnerabilities  07 March 2011 
Posted by Benjamin D. Thomas   
Sauli Pahlman discovered that the TIFF library incorrectly handled invalidtd_stripbytecount fields. If a user or automated system were tricked intoopening a specially crafted TIFF image, a remote attacker could crash theapplication, leading to a denial of service. This issue only affectedUbuntu 10.04 LTS and 10.10. (CVE-2010-2482) [More...]
Ubuntu: 1050-1: Thunderbird vulnerabilities  02 March 2011 
Posted by Benjamin D. Thomas   
Jesse Ruderman, Igor Bukanov, Olli Pettay, Gary Kwong, Jeff Walden, HenrySivonen, Martijn Wargers, David Baron and Marcia Knous discovered severalmemory issues in the browser engine. An attacker could exploit these tocrash the browser or possibly run arbitrary code as the user invoking theprogram. (CVE-2011-0053, CVE-2011-0062) [More...]
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