CVE-2026-56365

MEDIUMNVD 5.35.3—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.3 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 79% 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
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.3Exploit: None knownExposed: 0

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

ImageMagick before 7.1.2-19 contains a memory leak vulnerability in the PNG encoder when writing MNG images. Attackers can trigger the encoder failure condition to exhaust memory resources and cause denial of service.

CVSS v3
5.3
EG Score
5.3(medium)
EG Risk
28(Track)
EG Risk 28/100SSVC: 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
Severity53% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
32%
KEV
Not listed

Published

July 1, 2026

Last Modified

July 2, 2026

Advisory Details (2)

Auto-updated Jul 3, 2026
Patch available. Sources: github.
generic

ImageMagick - Memory Leak in PNG Encoder via MNG Image Writing | Advisories | VulnCheck

https://www.vulncheck.com/advisories/imagemagick-memory-leak-in-png-encoder-via-mng-image-writing
github Patch Available

Memory leak in PNG encoder when writing a MNG image · Advisory · ImageMagick/ImageMagick · GitHub

https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-x928-4434-crqj

Vendor Advisories for CVE-2026-56365(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 (213 versions)14.12.0—
Magick.NET-Q16-arm6410.0.0 ... 9.1.2 (58 versions)14.12.0—
Magick.NET-Q16-HDRI-AnyCPU10.0.0 ... 9.1.2 (210 versions)14.12.0—
Magick.NET-Q16-HDRI-arm6410.0.0 ... 9.1.2 (58 versions)14.12.0—
Magick.NET-Q16-HDRI-OpenMP-arm6410.0.0 ... 9.1.2 (58 versions)14.12.0—
Magick.NET-Q16-HDRI-OpenMP-x6410.0.0 ... 9.1.2 (110 versions)14.12.0—
Magick.NET-Q16-HDRI-x6410.0.0 ... 9.1.2 (210 versions)14.12.0—
Magick.NET-Q16-HDRI-x8610.0.0 ... 9.1.2 (210 versions)14.12.0—
Magick.NET-Q16-OpenMP-arm6410.0.0 ... 9.1.2 (58 versions)14.12.0—
Magick.NET-Q16-OpenMP-x6410.0.0 ... 9.1.2 (110 versions)14.12.0—
Magick.NET-Q16-x6410.0.0 ... 9.1.2 (229 versions)14.12.0—
Magick.NET-Q16-x8610.0.0 ... 9.1.2 (229 versions)14.12.0—
Magick.NET-Q8-AnyCPU10.0.0 ... 9.1.2 (213 versions)14.12.0—
Magick.NET-Q8-arm6410.0.0 ... 9.1.2 (58 versions)14.12.0—
Magick.NET-Q8-OpenMP-arm6410.0.0 ... 9.1.2 (58 versions)14.12.0—
Magick.NET-Q8-OpenMP-x6410.0.0 ... 9.1.2 (110 versions)14.12.0—
Magick.NET-Q8-x6410.0.0 ... 9.1.2 (229 versions)14.12.0—
Magick.NET-Q8-x8610.0.0 ... 9.1.2 (229 versions)14.12.0—
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 ... 8:7.1.1.43+dfsg1-1+deb13u9 (11 versions)8:7.1.1.43+dfsg1-1+deb13u11—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
imagemagick8:7.1.1.43+dfsg1-1 ... 8:7.1.2.8+dfsg1-1 (14 versions)8:7.1.2.19+dfsg1-1—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 15× 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 125 total refreshes for this CVE.

  1. 2026-08-25 13:49 UTCEPSS rescore
  2. 2026-08-24 10:59 UTCEG score recompute
  3. 2026-08-24 10:59 UTCGHSA enrichment
  4. 2026-08-23 08:50 UTCEG score recompute
  5. 2026-08-23 08:49 UTCGHSA enrichment
  6. 2026-08-23 00:19 UTCEPSS rescore
  7. 2026-08-22 07:30 UTCEG score recompute
  8. 2026-08-22 07:30 UTCGHSA enrichment
  9. 2026-08-21 23:49 UTCEPSS rescore
  10. 2026-08-21 06:06 UTCEG score recompute
  11. 2026-08-21 06:06 UTCGHSA enrichment
  12. 2026-08-20 22:55 UTCEPSS rescore
  13. 2026-08-20 04:53 UTCEG score recompute
  14. 2026-08-20 04:53 UTCGHSA enrichment
  15. 2026-08-19 17:04 UTCEPSS rescore
  16. 2026-08-19 01:00 UTCEG score recompute
  17. 2026-08-19 01:00 UTCGHSA enrichment
  18. 2026-08-18 13:48 UTCEPSS rescore
  19. 2026-08-17 23:40 UTCEG score recompute
  20. 2026-08-17 23:40 UTCGHSA enrichment
  21. 2026-08-17 13:47 UTCEPSS rescore
  22. 2026-08-16 21:48 UTCEG score recompute
  23. 2026-08-16 21:48 UTCGHSA enrichment
  24. 2026-08-16 14:56 UTCEPSS rescore
  25. 2026-08-16 02:14 UTCEPSS rescore
Show 75 more
  1. 2026-08-15 20:35 UTCEG score recompute
  2. 2026-08-15 20:35 UTCGHSA enrichment
  3. 2026-08-15 01:30 UTCEPSS rescore
  4. 2026-08-14 19:21 UTCEG score recompute
  5. 2026-08-14 19:21 UTCGHSA enrichment
  6. 2026-08-13 22:00 UTCEPSS rescore
  7. 2026-08-13 18:06 UTCGHSA enrichment
  8. 2026-08-12 16:09 UTCEG score recompute
  9. 2026-08-12 16:09 UTCGHSA enrichment
  10. 2026-08-12 13:51 UTCEPSS rescore
  11. 2026-08-11 14:56 UTCEG score recompute
  12. 2026-08-11 14:56 UTCGHSA enrichment
  13. 2026-08-11 00:00 UTCEPSS rescore
  14. 2026-08-10 13:43 UTCEG score recompute
  15. 2026-08-10 13:43 UTCGHSA enrichment
  16. 2026-08-09 13:46 UTCEPSS rescore
  17. 2026-08-09 12:29 UTCEG score recompute
  18. 2026-08-09 12:29 UTCGHSA enrichment
  19. 2026-08-08 16:37 UTCEPSS rescore
  20. 2026-08-08 11:15 UTCEG score recompute
  21. 2026-08-08 11:15 UTCGHSA enrichment
  22. 2026-08-07 10:01 UTCEG score recompute
  23. 2026-08-07 10:01 UTCGHSA enrichment
  24. 2026-08-06 13:47 UTCEPSS rescore
  25. 2026-08-06 08:48 UTCEG score recompute
  26. 2026-08-06 08:48 UTCGHSA enrichment
  27. 2026-08-05 19:17 UTCEPSS rescore
  28. 2026-08-05 07:35 UTCEG score recompute
  29. 2026-08-05 07:35 UTCGHSA enrichment
  30. 2026-08-04 15:10 UTCEPSS rescore
  31. 2026-08-04 10:39 UTCEPSS rescore
  32. 2026-08-04 04:26 UTCEG score recompute
  33. 2026-08-04 04:26 UTCGHSA enrichment
  34. 2026-08-03 10:36 UTCEPSS rescore
  35. 2026-08-03 03:13 UTCEG score recompute
  36. 2026-08-03 03:13 UTCGHSA enrichment
  37. 2026-08-02 02:27 UTCEPSS rescore
  38. 2026-08-02 01:59 UTCEG score recompute
  39. 2026-08-02 01:59 UTCGHSA enrichment
  40. 2026-08-01 04:16 UTCEPSS rescore
  41. 2026-08-01 00:45 UTCGHSA enrichment
  42. 2026-07-30 23:25 UTCEG score recompute
  43. 2026-07-30 23:25 UTCGHSA enrichment
  44. 2026-07-30 16:28 UTCEPSS rescore
  45. 2026-07-30 01:30 UTCEPSS rescore
  46. 2026-07-30 01:30 UTCEPSS rescore
  47. 2026-07-29 22:08 UTCGHSA enrichment
  48. 2026-07-28 17:53 UTCEG score recompute
  49. 2026-07-28 17:52 UTCGHSA enrichment
  50. 2026-07-28 15:37 UTCEPSS rescore
  51. 2026-07-27 16:03 UTCEG score recompute
  52. 2026-07-27 16:03 UTCGHSA enrichment
  53. 2026-07-26 14:54 UTCEPSS rescore
  54. 2026-07-26 13:32 UTCEG score recompute
  55. 2026-07-26 13:31 UTCGHSA enrichment
  56. 2026-07-25 14:18 UTCEPSS rescore
  57. 2026-07-24 14:18 UTCEPSS rescore
  58. 2026-07-23 14:18 UTCEPSS rescore
  59. 2026-07-23 03:20 UTCEG score recompute▲ 1.60
  60. 2026-07-22 14:08 UTCEPSS rescore
  61. 2026-07-21 15:25 UTCEPSS rescore
  62. 2026-07-20 17:08 UTCEPSS rescore
  63. 2026-07-19 14:31 UTCEPSS rescore
  64. 2026-07-19 14:31 UTCEPSS rescore
  65. 2026-07-18 10:04 UTCEPSS rescore
  66. 2026-07-16 17:03 UTCEPSS rescore
  67. 2026-07-15 16:57 UTCEPSS rescore
  68. 2026-07-15 16:57 UTCEPSS rescore
  69. 2026-07-15 10:41 UTCGHSA enrichment
  70. 2026-07-15 02:00 UTCEPSS rescore
  71. 2026-07-15 02:00 UTCEPSS rescore
  72. 2026-07-13 22:31 UTCEPSS rescore
  73. 2026-07-13 06:13 UTCEPSS rescore
  74. 2026-07-13 06:13 UTCEPSS rescore
  75. 2026-07-12 13:34 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-56365?
CVE-2026-56365 is a medium vulnerability published on July 1, 2026. ImageMagick before 7.1.2-19 contains a memory leak vulnerability in the PNG encoder when writing MNG images. Attackers can trigger the encoder failure condition to exhaust memory resources and cause denial of service.
When was CVE-2026-56365 disclosed?
CVE-2026-56365 was first published in the National Vulnerability Database on July 1, 2026, with the most recent update on July 2, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-56365 actively exploited?
CVE-2026-56365 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 67.7% of all scored CVEs.
What is the CVSS score of CVE-2026-56365?
CVE-2026-56365 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-56365?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-56365, 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-2026-56365

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