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Ubuntu
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Ubuntu: PHP vulnerabilities  23 April 2009 
Posted by Benjamin D. Thomas   
It was discovered that PHP did not sanitize certain error messages when display_errors is enabled, which could result in browsers becoming vulnerable to cross-site scripting attacks when processing the output. With cross-site scripting vulnerabilities, if a user were tricked into viewing server output during a crafted server request, a remote attacker could exploit this to modify the contents, or steal confidential data (such as passwords), within the same domain. (CVE-2008-5814) It was discovered that PHP did not properly handle the mbstring.func_overload setting within .htaccess files when using virtual hosts. A virtual host administrator could use this flaw to cause settings to be applied to other virtual hosts on the same server. (CVE-2009-0754) It was discovered that PHP did not properly handle certain malformed strings when being parsed by the json_decode function. A remote attacker could exploit this flaw and cause the PHP server to crash, resulting in a denial of service. This issue only affected Ubuntu 8.04 and 8.10. (CVE-2009-1271)
 
Ubuntu: xine-lib vulnerabilities  23 April 2009 
Posted by Benjamin D. Thomas   
It was discovered that the QT demuxer in xine-lib did not correctly handle a large count value in an STTS atom, resulting in a heap-based buffer overflow. If a user or automated system were tricked into opening a specially crafted MOV file, an attacker could execute arbitrary code as the user invoking the program. (CVE-2009-1274) USN-746-1 provided updated xine-lib packages to fix multiple security vulnerabilities. The security patch to fix CVE-2009-0698 was incomplete. This update corrects the problem. Original advisory details: It was discovered that the 4xm demuxer in xine-lib did not correctly handle a large current_track value in a 4xm file, resulting in an integer overflow. If a user or automated system were tricked into opening a specially crafted 4xm movie file, an attacker could crash xine-lib or possibly execute arbitrary code with the privileges of the user invoking the program. (CVE-2009-0698)
 
Ubuntu: poppler vulnerabilities  16 April 2009 
Posted by Benjamin D. Thomas   
Will Dormann, Alin Rad Pop, Braden Thomas, and Drew Yao discovered that poppler contained multiple security issues in its JBIG2 decoder. If a user or automated system were tricked into opening a crafted PDF file, an attacker could cause a denial of service or execute arbitrary code with privileges of the user invoking the program.
 
Ubuntu: Ghostscript vulnerabilities  15 April 2009 
Posted by Benjamin D. Thomas   
It was discovered that Ghostscript contained a buffer underflow in its CCITTFax decoding filter. If a user or automated system were tricked into opening a crafted PDF file, an attacker could cause a denial of service or execute arbitrary code with privileges of the user invoking the program. (CVE-2007-6725)
 
Ubuntu: PostgreSQL vulnerability  07 April 2009 
Posted by Benjamin D. Thomas   
It was discovered that PostgreSQL did not properly handle encoding conversion failures. An attacker could exploit this by sending specially crafted requests to PostgreSQL, leading to a denial of service.
 
Ubuntu: libsndfile vulnerability  30 March 2009 
Posted by Benjamin D. Thomas   
It was discovered that libsndfile did not correctly handle description chunks in CAF audio files. If a user or automated system were tricked into opening a specially crafted CAF audio file, an attacker could execute arbitrary code with the privileges of the user invoking the program.
 
Ubuntu: ICU vulnerability  26 March 2009 
Posted by Benjamin D. Thomas   
It was discovered that libicu did not correctly handle certain invalid encoded data. If a user or automated system were tricked into processing specially crafted data with applications linked against libicu, certain content filters could be bypassed.
 
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