CVE-2026-56373

MEDIUMNVD 5.33.7▼
EchelonGraph scoreHIGH confidence

Score 3.7 from GitHub Security Advisory published 2026-07-10. a secondary CVSS source baseline 3.7; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 5 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 7.1.2-15 contains a use-after-free vulnerability in the PDB decoder that uses a stale pointer when memory allocation fails. Attackers can trigger this vulnerability by processing malicious PDB files to cause crashes or write a single zero byte to freed memory.

CVSS v3
5.3
EG Score
3.7(high)
EPSS
13.8%
KEV
Not listed

Published

July 10, 2026

Last Modified

July 13, 2026

Advisory Details (2)

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

ImageMagick - Use-After-Free Write in PDB Decoder | Advisories | VulnCheck

https://www.vulncheck.com/advisories/imagemagick-use-after-free-write-in-pdb-decoder
github Patch Available

Possible use-after-free write in PDB decoder · Advisory · ImageMagick/ImageMagick · GitHub

https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-3j4x-rwrx-xxj9

Vendor Advisories for CVE-2026-56373(1)

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

Affected Packages

(19 across 1 ecosystem)
NuGet(19)
PackageVulnerable rangeFixed inDependents
Magick.NET-Q16-AnyCPU10.0.0 ... 9.1.2 (209 versions)14.10.3—
Magick.NET-Q16-arm6410.0.0 ... 9.1.2 (54 versions)14.10.3—
Magick.NET-Q16-HDRI-AnyCPU10.0.0 ... 9.1.2 (206 versions)14.10.3—
Magick.NET-Q16-HDRI-arm6410.0.0 ... 9.1.2 (54 versions)14.10.3—
Magick.NET-Q16-HDRI-OpenMP-arm6410.0.0 ... 9.1.2 (54 versions)14.10.3—
Magick.NET-Q16-HDRI-OpenMP-x6410.0.0 ... 9.1.2 (106 versions)14.10.3—
Magick.NET-Q16-HDRI-x6410.0.0 ... 9.1.2 (206 versions)14.10.3—
Magick.NET-Q16-HDRI-x8610.0.0 ... 9.1.2 (206 versions)14.10.3—
Magick.NET-Q16-OpenMP-arm6410.0.0 ... 9.1.2 (54 versions)14.10.3—
Magick.NET-Q16-OpenMP-x6410.0.0 ... 9.1.2 (106 versions)14.10.3—
Magick.NET-Q16-OpenMP-x86—14.10.3—
Magick.NET-Q16-x6410.0.0 ... 9.1.2 (225 versions)14.10.3—
Magick.NET-Q16-x8610.0.0 ... 9.1.2 (225 versions)14.10.3—
Magick.NET-Q8-AnyCPU10.0.0 ... 9.1.2 (209 versions)14.10.3—
Magick.NET-Q8-arm6410.0.0 ... 9.1.2 (54 versions)14.10.3—
Magick.NET-Q8-OpenMP-arm6410.0.0 ... 9.1.2 (54 versions)14.10.3—
Magick.NET-Q8-OpenMP-x6410.0.0 ... 9.1.2 (106 versions)14.10.3—
Magick.NET-Q8-x6410.0.0 ... 9.1.2 (225 versions)14.10.3—
Magick.NET-Q8-x8610.0.0 ... 9.1.2 (225 versions)14.10.3—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 12× in last 7d / 12× 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. 2026-07-15 16:57 UTCEPSS rescore
  2. 2026-07-15 16:57 UTCEPSS rescore
  3. 2026-07-15 02:00 UTCEPSS rescore
  4. 2026-07-15 02:00 UTCEPSS rescore
  5. 2026-07-13 16:08 UTCNVD updateCVSS v3 → 5.3 · severity → MEDIUM
  6. 2026-07-13 15:42 UTCEG score recompute
  7. 2026-07-13 15:42 UTCGHSA enrichment
  8. 2026-07-13 06:13 UTCEPSS rescore
  9. 2026-07-13 06:13 UTCEPSS rescore
  10. 2026-07-12 05:46 UTCEPSS rescore
  11. 2026-07-10 14:43 UTCEG score recompute
  12. 2026-07-10 14:42 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-56373?
CVE-2026-56373 is a medium vulnerability published on July 10, 2026. ImageMagick before 7.1.2-15 contains a use-after-free vulnerability in the PDB decoder that uses a stale pointer when memory allocation fails. Attackers can trigger this vulnerability by processing malicious PDB files to cause crashes or write a single zero byte to freed memory.
When was CVE-2026-56373 disclosed?
CVE-2026-56373 was first published in the National Vulnerability Database on July 10, 2026, with the most recent update on July 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-56373 actively exploited?
CVE-2026-56373 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 13.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-56373?
CVE-2026-56373 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-2026-56373?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-56373, 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-2026-56373

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