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=========================================================== Ubuntu Security Notice USN-603-1 April 17, 2008 poppler vulnerability CVE-2008-1693 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 6.06 LTS Ubuntu 6.10 Ubuntu 7.04 Ubuntu 7.10 This advisory also applies to the corresponding versions of Kubuntu, Edubuntu, and Xubuntu. The problem can be corrected by upgrading your system to the following package versions: Ubuntu 6.06 LTS: libpoppler1 0.5.1-0ubuntu7.4 Ubuntu 6.10: libpoppler1 0.5.4-0ubuntu4.4 Ubuntu 7.04: libpoppler1 0.5.4-0ubuntu8.3 Ubuntu 7.10: libpoppler2 0.6-0ubuntu2.2 After a standard system upgrade you need to restart your session to effect the necessary changes. Details follow: It was discovered that the poppler PDF library did not correctly handle certain malformed embedded fonts. If a user or an automated system were tricked into opening a malicious PDF, a remote attacker could execute arbitrary code with user privileges.