CVE-2018-14351

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-13. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 3%CVSS: 9.8Exploit: None knownExposed: 0

A fix is available — apply it.

An issue was discovered in Mutt before 1.10.1 and NeoMutt before 2018-07-16. imap/command.c mishandles a long IMAP status mailbox literal count size.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
50(Track)
EG Risk 50/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation3% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
3%
EPSS %ILE
87%
KEV
Not listed

Published

July 17, 2018

Last Modified

November 21, 2024

Advisory Details (7)

Auto-updated Aug 20, 2026
Patch available. Sources: github_commit.
github_commit

commit 3c49c44be9b4 (neomutt/neomutt)

Fix landed in neomutt/neomutt commit 3c49c44be9b4 — awaiting tagged release

https://github.com/neomutt/neomutt/commit/3c49c44be9b459d9c616bcaef6eb5d51298c1741
generic

Mutt News

http://www.mutt.org/news.html
generic

[SECURITY] [DSA 4277-1] mutt security update

https://www.debian.org/security/2018/dsa-4277
generic

Mutt, NeoMutt: Multiple vulnerabilities (GLSA 201810-07) — Gentoo security

https://security.gentoo.org/glsa/201810-07
generic

Release 2018-07-16 - NeoMutt

https://neomutt.org/2018/07/16/release
generic Patch Available

[SECURITY] [DLA 1455-1] mutt security update

https://lists.debian.org/debian-lts-announce/2018/08/msg00001.html
generic

Verify IMAP status mailbox literal count size. (e57a8602) · Commits · Mutt Project / mutt · GitLab

https://gitlab.com/muttmua/mutt/commit/e57a8602b45f58edf7b3ffb61bb17525d75dfcb1

Patch Availability(4)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntumutt-patched (1.5.21-6.4ubuntu2.2) @ trusty2026-05-28ubuntu
ubuntumutt (1.5.21-5ubuntu2.3) @ precise2026-05-28ubuntu
ubuntumutt-patched (1.5.24-1ubuntu0.2) @ xenial2026-05-28ubuntu
ubuntuneomutt (20231103+dfsg1-1ubuntu0.1~esm1) @ noble2026-05-28ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(14 across 10 ecosystems)
Debian:11(2)
PackageVulnerable rangeFixed inDependents
mutt—1.10.1-1—
neomutt—20180716+dfsg.1-1—
Debian:12(2)
PackageVulnerable rangeFixed inDependents
mutt—1.10.1-1—
neomutt—20180716+dfsg.1-1—
Debian:13(2)
PackageVulnerable rangeFixed inDependents
mutt—1.10.1-1—
neomutt—20180716+dfsg.1-1—
Debian:14(2)
PackageVulnerable rangeFixed inDependents
mutt—1.10.1-1—
neomutt—20180716+dfsg.1-1—
Alpine:v3.5(1)
PackageVulnerable rangeFixed inDependents
mutt1.4.2.3-r0 ... 1.7.2-r0 (23 versions)1.10.1-r0—
Alpine:v3.6(1)
PackageVulnerable rangeFixed inDependents
mutt1.4.2.3-r0 ... 1.8.3-r0 (29 versions)1.10.1-r0—
Alpine:v3.7(1)
PackageVulnerable rangeFixed inDependents
mutt1.4.2.3-r0 ... 1.9.1-r1 (32 versions)1.10.1-r0—
Alpine:v3.8(1)
PackageVulnerable rangeFixed inDependents
mutt1.10.0-r0 ... 1.9.5-r0 (38 versions)1.10.1-r0—
Debian:8(1)
PackageVulnerable rangeFixed inDependents
mutt1.5.23-31.5.23-3+deb8u1—
Debian:9(1)
PackageVulnerable rangeFixed inDependents
mutt1.7.2-11.7.2-1+deb9u1—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(4)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 7× in last 7d / 29× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 122 total refreshes for this CVE.

  1. 2026-08-20 22:51 UTCEPSS rescore
  2. 2026-08-19 17:00 UTCEPSS rescore
  3. 2026-08-18 13:43 UTCEPSS rescore
  4. 2026-08-17 13:42 UTCEPSS rescore
  5. 2026-08-16 14:51 UTCEPSS rescore
  6. 2026-08-16 02:10 UTCEPSS rescore
  7. 2026-08-15 01:26 UTCEPSS rescore
  8. 2026-08-13 21:56 UTCEPSS rescore
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  11. 2026-08-09 13:42 UTCEPSS rescore
  12. 2026-08-08 16:32 UTCEPSS rescore
  13. 2026-08-07 16:22 UTCEPSS rescore
  14. 2026-08-06 15:05 UTCOSV refresh
  15. 2026-08-06 13:42 UTCEPSS rescore
  16. 2026-08-06 13:42 UTCEPSS rescore
  17. 2026-08-04 15:05 UTCEPSS rescore
  18. 2026-08-02 02:23 UTCEPSS rescore
  19. 2026-08-01 04:12 UTCEPSS rescore
  20. 2026-07-30 16:24 UTCEPSS rescore
  21. 2026-07-30 01:27 UTCEPSS rescore
  22. 2026-07-28 15:32 UTCEPSS rescore
  23. 2026-07-26 14:51 UTCEPSS rescore
  24. 2026-07-26 14:51 UTCEPSS rescore
  25. 2026-07-24 14:14 UTCEPSS rescore
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  1. 2026-07-23 14:15 UTCEPSS rescore
  2. 2026-07-23 14:15 UTCEPSS rescore
  3. 2026-07-23 01:33 UTCEG score recompute
  4. 2026-07-22 22:13 UTCEG score recompute
  5. 2026-07-22 14:04 UTCEPSS rescore
  6. 2026-07-21 15:21 UTCEPSS rescore
  7. 2026-07-21 08:18 UTCOSV refresh
  8. 2026-07-20 17:04 UTCEPSS rescore
  9. 2026-07-20 17:04 UTCEPSS rescore
  10. 2026-07-19 14:28 UTCEPSS rescore
  11. 2026-07-19 02:26 UTCEPSS rescore
  12. 2026-07-19 02:26 UTCEPSS rescore
  13. 2026-07-16 16:59 UTCEPSS rescore
  14. 2026-07-16 16:59 UTCEPSS rescore
  15. 2026-07-15 16:55 UTCEPSS rescore
  16. 2026-07-15 01:56 UTCEPSS rescore
  17. 2026-07-13 22:26 UTCEPSS rescore
  18. 2026-07-13 06:10 UTCEPSS rescore
  19. 2026-07-12 05:43 UTCEPSS rescore
  20. 2026-07-11 08:24 UTCEPSS rescore
  21. 2026-07-09 19:06 UTCEPSS rescore
  22. 2026-07-08 15:11 UTCEPSS rescore
  23. 2026-07-07 13:42 UTCEPSS rescore
  24. 2026-07-07 13:42 UTCEPSS rescore
  25. 2026-07-06 16:24 UTCEPSS rescore
  26. 2026-07-06 16:24 UTCEPSS rescore
  27. 2026-07-06 02:20 UTCEPSS rescore
  28. 2026-07-05 02:27 UTCEPSS rescore
  29. 2026-07-04 06:28 UTCEPSS rescore
  30. 2026-07-04 03:56 UTCOSV refresh
  31. 2026-07-02 16:54 UTCEPSS rescore
  32. 2026-07-01 15:03 UTCEPSS rescore
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  34. 2026-06-30 23:19 UTCEPSS rescore
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  36. 2026-06-29 14:03 UTCEPSS rescore
  37. 2026-06-28 04:53 UTCEPSS rescore
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  39. 2026-06-27 03:06 UTCEPSS rescore
  40. 2026-06-25 13:47 UTCEPSS rescore
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  42. 2026-06-24 14:02 UTCEPSS rescore
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  44. 2026-06-23 21:30 UTCEPSS rescore
  45. 2026-06-22 14:23 UTCEPSS rescore
  46. 2026-06-21 14:54 UTCEPSS rescore
  47. 2026-06-21 14:54 UTCEPSS rescore
  48. 2026-06-21 01:57 UTCEPSS rescore
  49. 2026-06-21 01:57 UTCEPSS rescore
  50. 2026-06-19 19:23 UTCEPSS rescore
  51. 2026-06-18 17:50 UTCEPSS rescore
  52. 2026-06-18 17:50 UTCEPSS rescore
  53. 2026-06-17 17:50 UTCEPSS rescore
  54. 2026-06-17 17:50 UTCEPSS rescore
  55. 2026-06-16 17:50 UTCEPSS rescore
  56. 2026-06-16 17:50 UTCEPSS rescore
  57. 2026-06-15 17:45 UTCEPSS rescore
  58. 2026-06-15 16:13 UTCOSV refresh
  59. 2026-06-14 23:14 UTCEPSS rescore
  60. 2026-06-14 23:14 UTCEPSS rescore
  61. 2026-06-13 22:58 UTCEPSS rescore
  62. 2026-06-13 22:58 UTCEPSS rescore
  63. 2026-06-12 23:09 UTCEPSS rescore
  64. 2026-06-11 13:57 UTCEPSS rescore
  65. 2026-06-10 22:16 UTCEPSS rescore
  66. 2026-06-10 13:19 UTCEPSS rescore
  67. 2026-06-08 14:14 UTCEPSS rescore
  68. 2026-06-08 14:14 UTCEPSS rescore
  69. 2026-06-07 15:22 UTCEPSS rescore
  70. 2026-06-07 15:22 UTCEPSS rescore
  71. 2026-06-06 13:45 UTCEPSS rescore
  72. 2026-06-06 13:45 UTCEPSS rescore
  73. 2026-06-05 22:45 UTCEPSS rescore
  74. 2026-06-05 22:44 UTCEPSS rescore
  75. 2026-06-05 06:08 UTCEPSS rescore

Frequently asked(5)

What is CVE-2018-14351?
CVE-2018-14351 is a critical vulnerability published on July 17, 2018. An issue was discovered in Mutt before 1.10.1 and NeoMutt before 2018-07-16. imap/command.c mishandles a long IMAP status mailbox literal count size.
When was CVE-2018-14351 disclosed?
CVE-2018-14351 was first published in the National Vulnerability Database on July 17, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-14351 actively exploited?
CVE-2018-14351 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3% probability of exploitation in the next 30 days, which ranks it in the top 13.0% of all scored CVEs.
What is the CVSS score of CVE-2018-14351?
CVE-2018-14351 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2018-14351?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-14351, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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