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Fencer Vulns
critical 9.8

CVE-2018-14358 json

An issue was discovered in Mutt before 1.10.1 and NeoMutt before 2018-07-16.

published 2018-07-17 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-6279

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.9%
EPSS 3.9% chance of exploitation in 30 days, percentile 90%
public exploits
0
none known

Summary

An issue was discovered in Mutt before 1.10.1 and NeoMutt before 2018-07-16. imap/message.c has a stack-based buffer overflow for a FETCH response with a long RFC822.SIZE field.

Patch / fix

  • mutt mutt 1.10.1
  • neomutt neomutt 20180716
  • mutt Debian 14, Debian 13, Debian 12 1.10.1-1
  • neomutt Debian 14, Debian 13, Debian 12 20180716+dfsg.1-1

debian advisories DEBIAN-CVE-2018-14358

  • mutt Ubuntu 14.04 LTS 1.5.21-6.4ubuntu2.2
  • mutt Ubuntu 16.04 LTS 1.5.24-1ubuntu0.2
  • mutt Ubuntu 18.04 LTS 1.9.4-3ubuntu0.1
  • neomutt Ubuntu Pro 18.04 LTS 20171215+dfsg.1-1ubuntu0.1~esm1

ubuntu advisories UBUNTU-CVE-2018-14358

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 SLES for SAP 11 SP4, SLES 11 SP4, SLES 11 SP3-TERADATA +2 more 1.5.17-42.43.1
  • 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-2019:1196-1SUSE-SU-2018:2403-1SUSE-SU-2018:2085-1SUSE-SU-2018:2084-1

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

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

  • mutt Alpine 3.8, Alpine 3.7, Alpine 3.6 +1 more 1.10.1-r0

alpine advisories ALPINE-CVE-2018-14358

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • neomutt Arch Linux 20180716-1

arch linux advisories AVG-740

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-14358 updated cvss 6.3

mutt: stack-based buffer overflow in imap/message.c

  • Red Hat Enterprise Linux 5 mutt Red Hat Enterprise Linux 6 mutt
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux 7 mutt
    affected: no fix available “Fix deferred”
  • Red Hat Enterprise Linux 8 mutt
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

3.91% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

References

Sources

Fencer Vulns 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.