7.8

CVE-2026-56370: imagemagick Out-of-bounds Read

CVSS: 7.8v3.1HighAnalyzed
AliasesUBUNTU-CVE-2026-56370DEBIAN-CVE-2026-56370GHSA-pmpg-6pww-fg6q
Published 24-06-2026Last modified 25-06-2026
Open JSON

Vulnerability summary

CVE-2026-56370 is a high (CVSS 7.8) Out-of-bounds Read vulnerability in imagemagick. EPSS estimates a 0.18% chance of exploitation in the next 30 days, higher than 6.8% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.18%
0%100%
Low · +0.06 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 8 · Related 8
OPENSUSE-SU-2026:11127-1OPENSUSE-SU-2026:21071-1SUSE-SU-2026:22378-1SUSE-SU-2026:2877-1SUSE-SU-2026:3023-1SUSE-SU-2026:3053-1

Timeline

  1. 24-06-2026
    PublishedVulnerability first disclosed.
  2. 25-06-2026
    Last modifiedVulnerability information updated.

Description

ImageMagick before 7.1.2-19 contains an out-of-bounds access vulnerability in ConnectedComponentsImage() when processing connected-components artifacts with invalid indices. Attackers can trigger access violations by specifying malformed connected-components definitions via CLI, causing denial of service or potential code execution.

CVSS metrics

8 scores · 5 sources · 2 versions

EPSS trend

Probability

0.18%

Chance of exploitation in the next 30 days

Percentile

7%

Versus all other CVEs

30-day change

+0.06 pp

From 0.12% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.18%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

NuGet18 products
  • magick.net-q16-anycpu< 14.12.0
  • Magick.NET-Q16-arm64< 14.12.0
  • magick.net-q16-hdri-anycpu< 14.12.0
  • Magick.NET-Q16-HDRI-arm64< 14.12.0
  • Magick.NET-Q16-HDRI-OpenMP-arm64< 14.12.0
Debian1 product
  • imagemagick< 8:6.9.11.60+dfsg-1.6+deb12u12 | < 8:7.1.1.43+dfsg1-1+deb13u11 | < 8:7.1.2.19+dfsg1-1
Imagemagick1 product
  • imagemagick< 7.1.2-19 | < 6.9.13-44 | ≥ 7.0.0-0, < 7.1.2-19
Ubuntu1 product
  • imagemagick< 8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm14 | < 8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm13 | All versions (No fix recorded) | < 8:7.1.2.18+dfsg1-1ubuntu0.1~esm2

4 vendors · 21 products

References

9 links