USN-772-1: MPFR vulnerability

7 May 2009

mpfr vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 9.04

Software Description

  • mpfr


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.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 9.04
lib64mpfr1 - 2.4.0-1ubuntu3.1
libmpfr1ldbl - 2.4.0-1ubuntu3.1

To update your system, please follow these instructions:

In general, a standard system upgrade is sufficient to effect the necessary changes.