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Ubuntu: Cairo regression  12 December 2007 
Posted by Benjamin D. Thomas   
USN-550-1 fixed vulnerabilities in Cairo. A bug in font glyph rendering was uncovered as a result of the new memory allocation routines. In certain situations, fonts containing characters with no width or height would not render any more. This update fixes the problem. We apologize for the inconvenience.
 
Ubuntu: Cairo regression  10 December 2007 
Posted by Benjamin D. Thomas   
Peter Valchev discovered that Cairo did not correctly decode PNG image data. By tricking a user or automated system into processing a specially crafted PNG with Cairo, a remote attacker could execute arbitrary code with user privileges.
 
Ubuntu: e2fsprogs vulnerability  08 December 2007 
Posted by Benjamin D. Thomas   
Rafal Wojtczuk discovered multiple integer overflows in e2fsprogs. If a user or automated system were tricked into fscking a malicious ext2/ext3 filesystem, a remote attacker could execute arbitrary code with the user's privileges.
 
Ubuntu: Mono vulnerability  04 December 2007 
Posted by Benjamin D. Thomas   
It was discovered that Mono did not correctly bounds check certain BigInteger actions. Remote attackers could exploit this to crash a Mono application or possibly execute arbitrary code with user privileges.
 
Ubuntu: Perl vulnerability  04 December 2007 
Posted by Benjamin D. Thomas   
It was discovered that Perl's regular expression library did not correctly handle certain UTF sequences. If a user or automated system were tricked into running a specially crafted regular expression, a remote attacker could crash the application or possibly execute arbitrary code with user privileges.
 
Ubuntu: Firefox regression  04 December 2007 
Posted by Benjamin D. Thomas   
Gregory Fleischer discovered that it was possible to use JavaScript to manipulate Firefox's Referer header. A malicious web site could exploit this to conduct cross-site request forgeries against sites that relied only on Referer headers for protection from such attacks. (CVE-2007-5960)
 
Ubuntu: PHP regression  03 December 2007 
Posted by Benjamin D. Thomas   
It was discovered that the wordwrap function did not correctly check lengths. Remote attackers could exploit this to cause a crash or monopolize CPU resources, resulting in a denial of service. (CVE-2007-3998)
 
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