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CVE-2018-14349

30
FAUCET Score

CVE-2018-14349 is a critical vulnerability affecting Mutt before version 1.10.1 and NeoMutt before 2018-07-16, stemming from improper handling of a NO response without a message in imap/command.c. With a CVSS score of 9.8 (Critical), this vulnerability is easily exploitable over the network with low complexity, potentially leading to complete compromise of confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
< 1.10.1CPE matchmatch criteria
cpe:2.3:a:mutt:mutt:*:*:*:*:*:*:*:*
< 20180716CPE matchmatch criteria
cpe:2.3:a:neomutt:neomutt:*:*:*:*:*:*:*:*
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
3.17%
Probability of exploitation in next 30 days
EPSS Percentile
86.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0317 is in the 78th percentile among its peer group of 36,835 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-2018-14349Low

mutt: Heap Overflow in imap/command.c

Jul 7, 2018

References

github.com / neomutt/neomutt/commit/36a29280448097f34ce9c94606195f2ac643fed1
PatchThird Party Advisory
gitlab.com / muttmua/mutt/commit/9347b5c01dc52682cb6be11539d9b7ebceae4416
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 / 3719-3
Third Party Advisory
debian.org / security/2018/dsa-4277
Third Party Advisory
mutt.org / news.html
Release NotesVendor Advisory