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=========================================================== Ubuntu Security Notice USN-10-1 October 28, 2004 XML library vulnerabilities CAN-2004-0981 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 4.10 (Warty Warthog) The following packages are affected: libxml2 The problem can be corrected by upgrading the affected package to version 2.6.11-3ubuntu1.1. In general, a standard system upgrade is sufficient to effect the necessary changes. Details follow: Several buffer overflows have been discovered in libxml2's FTP connection and DNS resolution functions. Supplying very long FTP URLs or IP addresses might result in execution of arbitrary code with the privileges of the process using libxml2. Since libxml2 is used in packages like php4-imagick, the vulnerability also might lead to privilege escalation, like executing attacker supplied code with a web server's privileges. However, this does not affect the core XML parsing code, which is what the majority of programs use this library for.