Buffer overflow in Mpfr GNU

CVE-2009-0757

Multiple buffer overflows in GNU MPFR 2.4.0 allow context-dependent attackers to cause a denial of service (crash) via the (1) mpfr_snprintf and (2) mpfr_vsnprintf functions.

Vulnerability class: Buffer Overflow

Published 2009-03-03 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 7.5 (High). Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.015 (74.1th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

Mpfr GNU — versions 2.4.0

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

secunia.com/advisories/34204 (third-party-advisory)
www.ubuntu.com/usn/USN-772-1 (vendor-advisory)
mpfr.loria.fr/mpfr-2.4.1/ (Patch, Vendor Advisory)
www.securityfocus.com/bid/33945 (vdb-entry)
www.openwall.com/lists/oss-security/2009/03/02/4 (mailing-list, Patch)
secunia.com/advisories/35028 (third-party-advisory)