An issue was discovered in NeoMutt before 2018-07-16.

published 2018-07-17 8y ago modified 2026-06-17 4mo ago also EUVD-2018-6284

cvss: 7.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 2.2%; EPSS 2.2% chance of exploitation in 30 days, percentile 82%
public exploits: 0; none known

An issue was discovered in NeoMutt before 2018-07-16. newsrc.c does not properly restrict '/' characters that may have unsafe interaction with cache pathnames.

Patch / fix

fixed in 1 distros 5 links 1

neomutt neomutt 20180716

debian ubuntu suse opensuse arch linux

mutt Debian 14, Debian 13, Debian 12 1.9.1-1
neomutt Debian 14, Debian 13, Debian 12 20180716+dfsg.1-1

debian advisories DEBIAN-CVE-2018-14363

neomutt Ubuntu Pro 18.04 LTS 20171215+dfsg.1-1ubuntu0.1~esm1

ubuntu advisories UBUNTU-CVE-2018-14363

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

mutt SLES for SAP 12 SP3, SLES 12 SP3, SLED 12 SP3 1.10.1-55.6.1
mutt SLE Module for Basesystem 15 1.10.1-3.3.4
mutt SLES for SAP 12 SP3, SLES 12 SP3, SLED 12 SP3 1.10.1-55.3.1

suse advisories SUSE-SU-2019:1196-1 SUSE-SU-2018:2085-1 SUSE-SU-2018:2084-1

mutt openSUSE Tumbleweed 2.0.7-2.2
neomutt openSUSE Tumbleweed 20210205-3.3

opensuse advisories openSUSE-SU-2024:11069-1 openSUSE-SU-2024:11079-1

neomutt Arch Linux 20180716-1

arch linux advisories AVG-740

github.com/neomutt/neomutt@9bfab35 commit

Is CVE-2018-14363 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Exploit prediction

2.18% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:N/I:P/A:N

Classification

Weakness

CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

github.com /neomutt/neomutt/commit/9bfab35522301794483f8f9ed60820bdec9be59e
patch, third-party-advisory
debian.org /security/2018/dsa-4277
vendor-advisory, third-party-advisory
neomutt.org /2018/07/16/release
release-notes, vendor-advisory
lists.debian.org /debian-lts-announce/2018/08/msg00001.html
mailing-list, third-party-advisory

Sources

CVE List CVE-2018-14363
NVD CVE-2018-14363

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.