CVE-2018-14551

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: 4%CVSS: 9.8Exploit: None knownExposed: 0

A fix is available — apply it.

The ReadMATImageV4 function in coders/mat.c in ImageMagick 7.0.8-7 uses an uninitialized variable, leading to memory corruption.

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%
Exploitation4% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
4%
EPSS %ILE
90%
KEV
Not listed

Published

July 23, 2018

Last Modified

November 21, 2024

Advisory Details (2)

Auto-updated Aug 20, 2026
Patch available.
generic Patch Available

[SECURITY] [DLA 2333-1] imagemagick security update

https://lists.debian.org/debian-lts-announce/2020/08/msg00030.html
generic

Using uninitialized variable in ImageMagick/coders/mat.c · Issue #1221 · ImageMagick/ImageMagick · GitHub

https://github.com/ImageMagick/ImageMagick/issues/1221

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntuperlmagick (8:6.9.7.4+dfsg-16ubuntu6.4) @ bionic2026-05-28ubuntu

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

(5 across 5 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
imagemagick—8:6.9.10.8+dfsg-1—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
imagemagick—8:6.9.10.8+dfsg-1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
imagemagick—8:6.9.10.8+dfsg-1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
imagemagick—8:6.9.10.8+dfsg-1—
Debian:9(1)
PackageVulnerable rangeFixed inDependents
imagemagick8:6.9.7.4+dfsg-11 ... 8:6.9.7.4+dfsg-11+deb9u8 (9 versions)8:6.9.7.4+dfsg-11+deb9u9—

Weakness Classification(2)

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

All Vendor Advisories

(1)

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 6× in last 7d / 26× 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 123 total refreshes for this CVE.

  1. 2026-08-25 13:44 UTCEPSS rescore
  2. 2026-08-23 00:14 UTCEPSS rescore
  3. 2026-08-22 12:07 UTCOSV refresh
  4. 2026-08-21 23:44 UTCEPSS rescore
  5. 2026-08-20 22:51 UTCEPSS rescore
  6. 2026-08-19 17:00 UTCEPSS rescore
  7. 2026-08-18 13:43 UTCEPSS rescore
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  9. 2026-08-16 14:51 UTCEPSS rescore
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  12. 2026-08-13 21:56 UTCEPSS rescore
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  16. 2026-08-08 16:32 UTCEPSS rescore
  17. 2026-08-07 16:22 UTCEPSS rescore
  18. 2026-08-06 14:40 UTCOSV refresh
  19. 2026-08-06 13:42 UTCEPSS rescore
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  21. 2026-08-04 15:05 UTCEPSS rescore
  22. 2026-08-02 02:23 UTCEPSS rescore
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  24. 2026-07-30 16:24 UTCEPSS rescore
  25. 2026-07-30 01:27 UTCEPSS rescore
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  1. 2026-07-28 15:32 UTCEPSS rescore
  2. 2026-07-24 14:14 UTCEPSS rescore
  3. 2026-07-23 14:15 UTCEPSS rescore
  4. 2026-07-23 14:15 UTCEPSS rescore
  5. 2026-07-23 01:33 UTCEG score recompute
  6. 2026-07-22 22:13 UTCEG score recompute
  7. 2026-07-22 14:04 UTCEPSS rescore
  8. 2026-07-21 15:21 UTCEPSS rescore
  9. 2026-07-21 07:48 UTCOSV refresh
  10. 2026-07-20 17:04 UTCEPSS rescore
  11. 2026-07-20 17:04 UTCEPSS rescore
  12. 2026-07-19 14:28 UTCEPSS rescore
  13. 2026-07-19 02:26 UTCEPSS rescore
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  15. 2026-07-16 16:59 UTCEPSS rescore
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  17. 2026-07-15 16:55 UTCEPSS rescore
  18. 2026-07-15 01:56 UTCEPSS rescore
  19. 2026-07-13 22:26 UTCEPSS rescore
  20. 2026-07-12 05:43 UTCEPSS rescore
  21. 2026-07-11 08:24 UTCEPSS rescore
  22. 2026-07-09 19:06 UTCEPSS rescore
  23. 2026-07-08 15:11 UTCEPSS rescore
  24. 2026-07-07 13:42 UTCEPSS rescore
  25. 2026-07-07 13:42 UTCEPSS rescore
  26. 2026-07-06 16:24 UTCEPSS rescore
  27. 2026-07-06 16:24 UTCEPSS rescore
  28. 2026-07-06 02:20 UTCEPSS rescore
  29. 2026-07-05 02:27 UTCEPSS rescore
  30. 2026-07-04 06:28 UTCEPSS rescore
  31. 2026-07-04 03:26 UTCOSV refresh
  32. 2026-07-02 16:54 UTCEPSS rescore
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  35. 2026-06-30 23:19 UTCEPSS rescore
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  37. 2026-06-28 14:04 UTCEPSS rescore
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  40. 2026-06-27 03:06 UTCEPSS rescore
  41. 2026-06-25 13:47 UTCEPSS rescore
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  43. 2026-06-24 14:02 UTCEPSS rescore
  44. 2026-06-24 14:02 UTCEPSS rescore
  45. 2026-06-23 21:30 UTCEPSS rescore
  46. 2026-06-22 14:23 UTCEPSS rescore
  47. 2026-06-21 14:54 UTCEPSS rescore
  48. 2026-06-21 14:54 UTCEPSS rescore
  49. 2026-06-21 01:57 UTCEPSS rescore
  50. 2026-06-21 01:57 UTCEPSS rescore
  51. 2026-06-19 19:23 UTCEPSS rescore
  52. 2026-06-18 17:50 UTCEPSS rescore
  53. 2026-06-18 17:50 UTCEPSS rescore
  54. 2026-06-17 17:50 UTCEPSS rescore
  55. 2026-06-17 17:50 UTCEPSS rescore
  56. 2026-06-16 17:50 UTCEPSS rescore
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  58. 2026-06-15 17:45 UTCEPSS rescore
  59. 2026-06-15 15:43 UTCOSV refresh
  60. 2026-06-14 23:14 UTCEPSS rescore
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  62. 2026-06-13 22:58 UTCEPSS rescore
  63. 2026-06-13 22:58 UTCEPSS rescore
  64. 2026-06-12 23:09 UTCEPSS rescore
  65. 2026-06-11 13:57 UTCEPSS rescore
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  68. 2026-06-08 14:14 UTCEPSS rescore
  69. 2026-06-08 14:14 UTCEPSS rescore
  70. 2026-06-07 15:22 UTCEPSS rescore
  71. 2026-06-07 15:22 UTCEPSS rescore
  72. 2026-06-06 13:45 UTCEPSS rescore
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  74. 2026-06-05 22:45 UTCEPSS rescore
  75. 2026-06-05 22:44 UTCEPSS rescore

Frequently asked(5)

What is CVE-2018-14551?
CVE-2018-14551 is a critical vulnerability published on July 23, 2018. The ReadMATImageV4 function in coders/mat.c in ImageMagick 7.0.8-7 uses an uninitialized variable, leading to memory corruption.
When was CVE-2018-14551 disclosed?
CVE-2018-14551 was first published in the National Vulnerability Database on July 23, 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-2018-14551 actively exploited?
CVE-2018-14551 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 4% probability of exploitation in the next 30 days, which ranks it in the top 10.2% of all scored CVEs.
What is the CVSS score of CVE-2018-14551?
CVE-2018-14551 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2018-14551?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-14551, 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.

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