Gentoo Logo

MPFR: Denial of Service


1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 200903-13 / mpfr
Release Date March 09, 2009
Latest Revision March 09, 2009: 01
Impact normal
Exploitable remote
Package Vulnerable versions Unaffected versions Architecture(s)
dev-libs/mpfr < 2.4.1 >= 2.4.1 All supported architectures

Related bugreports: #260968


Multiple buffer overflows in MPFR might lead to a Denial of Service.

2.  Impact Information


MPFR is a library for multiple-precision floating-point computations with exact rounding.


Multiple buffer overflows have been reported in the mpfr_snprintf() and mpfr_vsnprintf() functions.


A remote user could exploit the vulnerability to cause a Denial of Service in an application using MPFR via unknown vectors.

3.  Resolution Information


There is no known workaround at this time.


All MPRF users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-libs/mpfr-2.4.1"

4.  References


Page updated March 09, 2009

Summary: This is a Gentoo Linux Security Advisory

Security Team
Contact Address

Donate to support our development efforts.

Copyright 2001-2015 Gentoo Foundation, Inc. Questions, Comments? Contact us.