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=========================================================== Ubuntu Security Notice USN-772-1 May 07, 2009 mpfr vulnerability CVE-2009-0757 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 9.04 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 9.04: lib64mpfr1 2.4.0-1ubuntu3.1 libmpfr1ldbl 2.4.0-1ubuntu3.1 In general, a standard system upgrade is sufficient to effect the necessary changes. Details follow: It was discovered that MPFR improperly handled string lengths in its print routines. If a user or automated system were tricked into processing specially crafted data with applications linked against MPFR, an attacker could cause a denial of service or execute arbitrary code with privileges of the user invoking the program.