CVE-2026-56366

MEDIUMNVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 6.5 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 94% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
6.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.5Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

ImageMagick before 7.1.2-18 contains a memory leak vulnerability in the META reader when processing APP1JPEG input paths. Attackers can trigger this memory leak by providing specially crafted APP1JPEG image files, causing denial of service through resource exhaustion.

CVSS v3
6.5
EG Score
6.5(medium)
EG Risk
29(Track)
EG Risk 29/100SSVC: 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
Severity65% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
6%
KEV
Not listed

Published

July 10, 2026

Last Modified

July 14, 2026

Advisory Details (2)

Auto-updated Jul 13, 2026
Patch available. Sources: github.
generic

ImageMagick - Memory Leak in META Reader APP1JPEG Error Path | Advisories | VulnCheck

https://www.vulncheck.com/advisories/imagemagick-memory-leak-in-meta-reader-app1jpeg-error-path
github Patch Available

META reader memory leak in the APP1JPEG error path · Advisory · ImageMagick/ImageMagick · GitHub

https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-9r56-3gjq-hqf7

Vendor Advisories for CVE-2026-56366(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Affected Packages

(22 across 5 ecosystems)
NuGet(18)
PackageVulnerable rangeFixed inDependents
Magick.NET-Q16-AnyCPU10.0.0 ... 9.1.2 (212 versions)14.11.1—
Magick.NET-Q16-arm6410.0.0 ... 9.1.2 (57 versions)14.11.1—
Magick.NET-Q16-HDRI-AnyCPU10.0.0 ... 9.1.2 (209 versions)14.11.1—
Magick.NET-Q16-HDRI-arm6410.0.0 ... 9.1.2 (57 versions)14.11.1—
Magick.NET-Q16-HDRI-OpenMP-arm6410.0.0 ... 9.1.2 (57 versions)14.11.1—
Magick.NET-Q16-HDRI-x6410.0.0 ... 9.1.2 (209 versions)14.11.1—
Magick.NET-Q16-HDRI-x8610.0.0 ... 9.1.2 (209 versions)14.11.1—
Magick.NET-Q16-OpenMP-arm6410.0.0 ... 9.1.2 (57 versions)14.11.1—
Magick.NET-Q16-OpenMP-x6410.0.0 ... 9.1.2 (109 versions)14.11.1—
Magick.NET-Q16-OpenMP-x86—14.11.1—
Magick.NET-Q16-x6410.0.0 ... 9.1.2 (228 versions)14.11.1—
Magick.NET-Q16-x8610.0.0 ... 9.1.2 (228 versions)14.11.1—
Magick.NET-Q8-AnyCPU10.0.0 ... 9.1.2 (212 versions)14.11.1—
Magick.NET-Q8-arm6410.0.0 ... 9.1.2 (57 versions)14.11.1—
Magick.NET-Q8-OpenMP-arm6410.0.0 ... 9.1.2 (57 versions)14.11.1—
Magick.NET-Q8-OpenMP-x6410.0.0 ... 9.1.2 (109 versions)14.11.1—
Magick.NET-Q8-x6410.0.0 ... 9.1.2 (228 versions)14.11.1—
Magick.NET-Q8-x8610.0.0 ... 9.1.2 (228 versions)14.11.1—
Debian:11(1)
PackageVulnerable rangeFixed inDependents
imagemagick8:6.9.11.60+dfsg-1.3 ... 8:6.9.11.60+dfsg-1.3+deb11u9 (15 versions)8:6.9.11.60+dfsg-1.3+deb11u15—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
imagemagick8:6.9.11.60+dfsg-1.6 ... 8:6.9.11.60+dfsg-1.6+deb12u9 (12 versions)8:6.9.11.60+dfsg-1.6+deb12u12—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
imagemagick8:7.1.1.43+dfsg1-1 ... 8:7.1.2.8+dfsg1-1 (33 versions)——
Debian:14(1)
PackageVulnerable rangeFixed inDependents
imagemagick8:7.1.1.43+dfsg1-1 ... 8:7.1.2.8+dfsg1-1 (13 versions)8:7.1.2.18+dfsg1-1—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 16× in last 7d / 77× 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 118 total refreshes for this CVE.

  1. 2026-08-30 06:28 UTCEG score recompute
  2. 2026-08-30 06:28 UTCGHSA enrichment
  3. 2026-08-30 01:22 UTCEPSS rescore
  4. 2026-08-28 21:42 UTCEPSS rescore
  5. 2026-08-28 02:40 UTCEG score recompute
  6. 2026-08-28 02:40 UTCGHSA enrichment
  7. 2026-08-27 14:25 UTCEPSS rescore
  8. 2026-08-27 01:51 UTCEG score recompute
  9. 2026-08-27 01:51 UTCGHSA enrichment
  10. 2026-08-26 14:46 UTCEPSS rescore
  11. 2026-08-26 03:40 UTCEG score recompute
  12. 2026-08-26 03:40 UTCGHSA enrichment
  13. 2026-08-25 13:49 UTCEPSS rescore
  14. 2026-08-24 20:16 UTCEG score recompute
  15. 2026-08-24 20:16 UTCGHSA enrichment
  16. 2026-08-23 18:19 UTCGHSA enrichment
  17. 2026-08-22 20:09 UTCEG score recompute
  18. 2026-08-22 20:09 UTCGHSA enrichment
  19. 2026-08-21 23:49 UTCEPSS rescore
  20. 2026-08-21 21:58 UTCGHSA enrichment
  21. 2026-08-20 23:46 UTCEG score recompute
  22. 2026-08-20 23:46 UTCGHSA enrichment
  23. 2026-08-20 22:55 UTCEPSS rescore
  24. 2026-08-20 01:35 UTCEG score recompute
  25. 2026-08-20 01:35 UTCGHSA enrichment
Show 75 more
  1. 2026-08-19 17:04 UTCEPSS rescore
  2. 2026-08-18 20:36 UTCGHSA enrichment
  3. 2026-08-17 22:12 UTCEG score recompute
  4. 2026-08-17 22:12 UTCGHSA enrichment
  5. 2026-08-17 13:47 UTCEPSS rescore
  6. 2026-08-16 19:35 UTCEG score recompute
  7. 2026-08-16 19:35 UTCGHSA enrichment
  8. 2026-08-16 14:56 UTCEPSS rescore
  9. 2026-08-16 02:14 UTCEPSS rescore
  10. 2026-08-15 20:36 UTCEG score recompute
  11. 2026-08-15 20:36 UTCGHSA enrichment
  12. 2026-08-15 01:30 UTCEPSS rescore
  13. 2026-08-14 22:25 UTCGHSA enrichment
  14. 2026-08-14 00:15 UTCEG score recompute
  15. 2026-08-14 00:15 UTCGHSA enrichment
  16. 2026-08-13 22:00 UTCEPSS rescore
  17. 2026-08-13 02:04 UTCEG score recompute
  18. 2026-08-13 02:04 UTCGHSA enrichment
  19. 2026-08-12 13:51 UTCEPSS rescore
  20. 2026-08-12 03:54 UTCEG score recompute
  21. 2026-08-12 03:54 UTCGHSA enrichment
  22. 2026-08-11 05:43 UTCEG score recompute
  23. 2026-08-11 05:42 UTCGHSA enrichment
  24. 2026-08-11 00:00 UTCEPSS rescore
  25. 2026-08-10 07:32 UTCEG score recompute
  26. 2026-08-10 07:32 UTCGHSA enrichment
  27. 2026-08-09 13:46 UTCEPSS rescore
  28. 2026-08-09 09:21 UTCEG score recompute
  29. 2026-08-09 09:21 UTCGHSA enrichment
  30. 2026-08-08 16:37 UTCEPSS rescore
  31. 2026-08-08 11:11 UTCEG score recompute
  32. 2026-08-08 11:11 UTCGHSA enrichment
  33. 2026-08-07 13:00 UTCGHSA enrichment
  34. 2026-08-06 14:49 UTCEG score recompute
  35. 2026-08-06 14:49 UTCGHSA enrichment
  36. 2026-08-06 13:47 UTCEPSS rescore
  37. 2026-08-05 19:17 UTCEPSS rescore
  38. 2026-08-05 16:33 UTCGHSA enrichment
  39. 2026-08-04 18:18 UTCEG score recompute
  40. 2026-08-04 18:18 UTCGHSA enrichment
  41. 2026-08-04 15:10 UTCEPSS rescore
  42. 2026-08-04 10:39 UTCEPSS rescore
  43. 2026-08-03 20:07 UTCEG score recompute
  44. 2026-08-03 20:07 UTCGHSA enrichment
  45. 2026-08-03 10:36 UTCEPSS rescore
  46. 2026-08-02 21:55 UTCEG score recompute
  47. 2026-08-02 21:55 UTCGHSA enrichment
  48. 2026-08-02 02:27 UTCEPSS rescore
  49. 2026-08-01 23:44 UTCEG score recompute
  50. 2026-08-01 23:44 UTCGHSA enrichment
  51. 2026-08-01 04:16 UTCEPSS rescore
  52. 2026-08-01 01:33 UTCGHSA enrichment
  53. 2026-07-31 03:15 UTCEG score recompute
  54. 2026-07-31 03:15 UTCGHSA enrichment
  55. 2026-07-30 16:28 UTCEPSS rescore
  56. 2026-07-30 05:03 UTCEG score recompute
  57. 2026-07-30 05:03 UTCGHSA enrichment
  58. 2026-07-30 01:30 UTCEPSS rescore
  59. 2026-07-30 01:30 UTCEPSS rescore
  60. 2026-07-29 06:50 UTCEG score recompute
  61. 2026-07-29 06:50 UTCGHSA enrichment
  62. 2026-07-28 15:37 UTCEPSS rescore
  63. 2026-07-28 08:36 UTCEG score recompute
  64. 2026-07-28 08:36 UTCGHSA enrichment
  65. 2026-07-27 10:23 UTCEG score recompute
  66. 2026-07-27 10:23 UTCGHSA enrichment
  67. 2026-07-26 14:54 UTCEPSS rescore
  68. 2026-07-26 12:12 UTCEG score recompute
  69. 2026-07-26 12:12 UTCGHSA enrichment
  70. 2026-07-25 14:18 UTCEPSS rescore
  71. 2026-07-24 14:18 UTCEPSS rescore
  72. 2026-07-23 14:18 UTCEPSS rescore
  73. 2026-07-23 03:20 UTCEG score recompute▲ 3.20
  74. 2026-07-22 14:08 UTCEPSS rescore
  75. 2026-07-21 15:25 UTCEPSS rescore

Frequently asked(5)

What is CVE-2026-56366?
CVE-2026-56366 is a medium vulnerability published on July 10, 2026. ImageMagick before 7.1.2-18 contains a memory leak vulnerability in the META reader when processing APP1JPEG input paths. Attackers can trigger this memory leak by providing specially crafted APP1JPEG image files, causing denial of service through resource exhaustion.
When was CVE-2026-56366 disclosed?
CVE-2026-56366 was first published in the National Vulnerability Database on July 10, 2026, with the most recent update on July 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-56366 actively exploited?
CVE-2026-56366 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 93.5% of all scored CVEs.
What is the CVSS score of CVE-2026-56366?
CVE-2026-56366 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2026-56366?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-56366, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-56366

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