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CVE-2018-14359

31
FAUCET Score

CVE-2018-14359 describes a critical buffer overflow vulnerability affecting Mutt before version 1.10.1 and NeoMutt before 2018-07-16, specifically when processing base64 encoded data. This vulnerability carries a CVSS score of 9.8 (CRITICAL), indicating it is remotely exploitable with low complexity and can lead to complete compromise of confidentiality, integrity, and availability. Despite its severity, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.10.1CPE matchmatch criteria
cpe:2.3:a:mutt:mutt:*:*:*:*:*:*:*:*
< 20180716CPE matchmatch criteria
cpe:2.3:a:neomutt:neomutt:*:*:*:*:*:*:*:*
12.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
14.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
16.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
4.13%
Probability of exploitation in next 30 days
EPSS Percentile
89.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0413 is in the 83rd percentile among its peer group of 36,833 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

github_advisorypatch availablevia nvd_reference
View patch
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: mutt
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: mutt
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: mutt

Vendor Advisories (1)

redhatCVE-2018-14359Low

mutt: buffer overflow via base64 data

Jul 13, 2018

References

github.com / neomutt/neomutt/commit/6f163e07ae68654d7ac5268cbb7565f6df79ad85
PatchThird Party Advisory
gitlab.com / muttmua/mutt/commit/3d9028fec8f4d08db2251096307c0bbbebce669a
PatchThird Party Advisory
lists.debian.org / debian-lts-announce/2018/08/msg00001.html
Mailing ListThird Party Advisory
neomutt.org / 2018/07/16/release
Release NotesVendor Advisory
security.gentoo.org / glsa/201810-07
Third Party Advisory
usn.ubuntu.com / 3719-1
Third Party Advisory
usn.ubuntu.com / 3719-2
Third Party Advisory
usn.ubuntu.com / 3719-3
Third Party Advisory
debian.org / security/2018/dsa-4277
Third Party Advisory
mutt.org / news.html
Release NotesVendor Advisory