What is CVE-2014-9474?

CVE-2014-9474 is a critical-severity vulnerability in Mpfr GNU, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2017-10-10.

How severe is CVE-2014-9474?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2014-9474 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Mpfr GNU

CVE-2014-9474

Buffer overflow in the mpfr_strtofr function in GNU MPFR before 3.1.2-p11 allows context-dependent attackers to have unspecified impact via vectors related to incorrect documentation for mpn_set_str.

Vulnerability class: Buffer Overflow

Published 2017-10-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.045 (91.3th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.045 · newest: 0.045 · change: 0.000

Affected products

Mpfr GNU

Weakness classification (CWE)

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

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

www.securityfocus.com/bid/71542 (VDB Entry, Third Party Advisory, vdb-entry)
www.openwall.com/lists/oss-security/2015/01/03/12 (mailing-list, Mailing List, Third Party Advisory)
lists.fedoraproject.org/pipermail/package-announce/2015-January/147745.html (vendor-advisory, Third Party Advisory)
gmplib.org/list-archives/gmp-bugs/2013-December/003267.html (mailing-list, Not Applicable)
www.mpfr.org/mpfr-3.1.2/patch11 (Vendor Advisory)
gforge.inria.fr/scm/viewvc.php/mpfr (Third Party Advisory)
lists.fedoraproject.org/pipermail/package-announce/2015-January/147737.html (vendor-advisory, Third Party Advisory)
bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
security.gentoo.org/glsa/201512-06 (vendor-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2014-9474?: CVE-2014-9474 is a critical-severity vulnerability in Mpfr GNU, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2017-10-10.
How severe is CVE-2014-9474?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2014-9474 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.