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=========================================================== Ubuntu Security Notice USN-773-1 May 07, 2009 pango1.0 vulnerability CVE-2009-1194 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 6.06 LTS Ubuntu 8.04 LTS Ubuntu 8.10 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: libpango1.0-0 1.12.3-0ubuntu3.1 Ubuntu 8.04 LTS: libpango1.0-0 1.20.5-0ubuntu1.1 Ubuntu 8.10: libpango1.0-0 1.22.2-0ubuntu1.1 After a standard system upgrade you need to restart your session to effect the necessary changes. Details follow: Will Drewry discovered that Pango incorrectly handled rendering text with long glyphstrings. If a user were tricked into displaying specially crafted data with applications linked against Pango, such as Firefox, an attacker could cause a denial of service or execute arbitrary code with privileges of the user invoking the program.