CVE-2026-56365

MEDIUMNVD 5.33.7▼
EchelonGraph scoreMEDIUM confidence

Score 3.7 from GitHub Security Advisory published 2026-07-01. NVD baseline CVSS 5.3; sources differ by 1.6.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 4 sources updated this week
5.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.3Exploit: NoneExposed: 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
3.7(medium)
EPSS
20.2%
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.

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 17× in last 7d / 17× 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.

  1. 2026-07-06 19:27 UTCEG score recompute
  2. 2026-07-06 19:27 UTCGHSA enrichment
  3. 2026-07-06 16:27 UTCEPSS rescore
  4. 2026-07-06 16:27 UTCEPSS rescore
  5. 2026-07-06 02:23 UTCEPSS rescore
  6. 2026-07-06 02:23 UTCEPSS rescore
  7. 2026-07-05 02:31 UTCEPSS rescore
  8. 2026-07-05 02:30 UTCEPSS rescore
  9. 2026-07-04 06:31 UTCEPSS rescore
  10. 2026-07-04 06:31 UTCEPSS rescore
  11. 2026-07-03 22:21 UTCEG score recompute
  12. 2026-07-03 22:21 UTCGHSA enrichment
  13. 2026-07-02 20:05 UTCNVD updateCVSS v3 → 5.3 · severity → MEDIUM
  14. 2026-07-01 19:07 UTCNVD updateCVSS v4 → 6.3 · severity → LOW
  15. 2026-07-01 15:07 UTCEPSS rescore
  16. 2026-07-01 01:19 UTCEG score recompute
  17. 2026-07-01 01:19 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 20.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-56365?
CVE-2026-56365 has a CVSS v3 base score of 5.3 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 3.7.
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

Explore the affected products and dependency analysis for CVE-2026-56365

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