CVE-2014-9474: Buffer overflow in the mpfr_strtofr function in GNU MPFR before 3.1.2-p11 allows context-dependent attackers t

Q: How do I fix CVE-2014-9474?

gnu mpfr: upgrade to newer than 3.1.2. Exact commands for each OS are on this page.

Q: Is CVE-2014-9474 being exploited?

CVE-2014-9474 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2014-9474 affect?

CVE-2014-9474 affects gnu mpfr. Severity is critical (CVSS 9.8). 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.

Q: How urgent is CVE-2014-9474?

Priority 62/100. Critical severity; EPSS top 8%: very likely to be exploited; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2014-9474 is a critical-severity flaw (CVSS 9.8) affecting gnu mpfr. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Critical severity
EPSS top 8%: very likely to be exploited
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	4.5% (top 8%)
CISA exploited list	No
Weakness	CWE-119
Published	2017-10-10
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: mpfr

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2017-10-10 01:30 UTCPublished CVE record published
2026-06-17 00:18 UTCUpdated Record last modified

mpfr gnu mpfr UPGRADE

Affected: <= 3.1.2

Fixed in: newer than 3.1.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy gnu-mpfr || rpm -q gnu-mpfr || gnu-mpfr --version

2. UPGRADE to newer than 3.1.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade gnu-mpfr

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade gnu-mpfr

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2014-9474?

gnu mpfr: upgrade to newer than 3.1.2. Exact commands for each OS are on this page.

Is CVE-2014-9474 being exploited?

CVE-2014-9474 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2014-9474 affect?

CVE-2014-9474 affects gnu mpfr. Severity is critical (CVSS 9.8). 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.

How urgent is CVE-2014-9474?

Priority 62/100. Critical severity; EPSS top 8%: very likely to be exploited; Remotely exploitable, no login, no user action

References

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