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Fencer Vulns
low 3.3

CVE-2026-66011 json

ImageMagick before 7.1.2-27 Memory Leak via Invalid CLI Options

published 2026-07-25 3 mo ago modified 2026-09-08 2 mo ago also EUVD-2026-49042 , GHSA-c28x-m839-79fq , GHSA-cvhv-g4rq-3hmw , JLSEC-2026-1083

cvss
3.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.1%
EPSS 0.1% chance of exploitation in 30 days, percentile 2%
public exploits
0
none known

Summary

ImageMagick before 7.1.2-27 contains a memory leak vulnerability in the magick command-line interface when invalid options are provided. Attackers can trigger memory exhaustion by repeatedly supplying malformed command-line arguments to consume system resources.

Patch / fix

  • nuget Magick.NET-Q16-AnyCPU 14.15.0
  • nuget Magick.NET-Q16-HDRI-AnyCPU 14.15.0
  • nuget Magick.NET-Q16-HDRI-OpenMP-arm64 14.15.0
  • nuget Magick.NET-Q16-HDRI-x64 14.15.0
  • nuget Magick.NET-Q16-HDRI-x86 14.15.0
  • nuget Magick.NET-Q16-OpenMP-arm64 14.15.0
  • nuget Magick.NET-Q16-OpenMP-x64 14.15.0
  • nuget Magick.NET-Q16-arm64 14.15.0
  • nuget Magick.NET-Q16-x64 14.15.0
  • nuget Magick.NET-Q16-x86 14.15.0
  • nuget Magick.NET-Q8-AnyCPU 14.15.0
  • nuget Magick.NET-Q8-OpenMP-arm64 14.15.0
  • nuget Magick.NET-Q8-OpenMP-x64 14.15.0
  • nuget Magick.NET-Q8-arm64 14.15.0
  • nuget Magick.NET-Q8-x64 14.15.0
  • nuget Magick.NET-Q8-x86 14.15.0
  • nuget Magick.NET-Q16-HDRI-arm64 14.15.0
  • julia ImageMagick_jll 7.1.2029+0
  • ImageMagick ImageMagick 7.1.2-27
  • imagemagick Debian 14 8:7.1.2.27+dfsg1-1

debian advisories DEBIAN-CVE-2026-66011

  • ImageMagick SLES for SAP applications 16.0, SLES 16.0 7.1.2.0-160000.14.1
  • ImageMagick SLE Module for Development Tools 15 SP7, SLE Module for Desktop Applications 15 SP7 7.1.1.43-150700.3.76.1
  • ImageMagick SLES for SAP 15 SP6, SLES 15 SP6-LTSS 7.1.1.21-150600.3.87.1

suse advisories SUSE-SU-2026:4376-1SUSE-SU-2026:23312-1SUSE-SU-2026:3414-1

  • ImageMagick openSUSE Leap 16.0 7.1.2.0-160000.14.1
  • ImageMagick openSUSE Tumbleweed 7.1.2.28-1.1

opensuse advisories openSUSE-SU-2026:21635-1openSUSE-SU-2026:11405-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-66011 updated cvss 3.3

Imagemagick: ImageMagick before 7.1.2-27 Memory Leak via Invalid CLI Options

  • Red Hat Enterprise Linux 6 ImageMagick, ImageMagick-c++, ImageMagick-perl Red Hat Enterprise Linux 7 ImageMagick, ImageMagick-c++, ImageMagick-perl
    affected: workaround, no fix planned “Out of support scope”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
3 mo ago

Exploit prediction

0.13% chance of exploitation in the next 30 days, higher than 2% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 4.0 4.8 CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
CNA 3.1 3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
GitHub 3.1 3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
CNA 4.0 4.8 CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD 3.1 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
OSV 3.1 3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Affected packages

ecosystem package affected fixed in
nuget Magick.NET-Q16-AnyCPU
<14.15.0
14.15.0
nuget Magick.NET-Q16-HDRI-AnyCPU
<14.15.0
14.15.0
nuget Magick.NET-Q16-HDRI-OpenMP-arm64
<14.15.0
14.15.0
nuget Magick.NET-Q16-HDRI-x64
<14.15.0
14.15.0
nuget Magick.NET-Q16-HDRI-x86
<14.15.0
14.15.0
nuget Magick.NET-Q16-OpenMP-arm64
<14.15.0
14.15.0
nuget Magick.NET-Q16-OpenMP-x64
<14.15.0
14.15.0
nuget Magick.NET-Q16-arm64
<14.15.0
14.15.0
nuget Magick.NET-Q16-x64
<14.15.0
14.15.0
nuget Magick.NET-Q16-x86
<14.15.0
14.15.0
nuget Magick.NET-Q8-AnyCPU
<14.15.0
14.15.0
nuget Magick.NET-Q8-OpenMP-arm64
<14.15.0
14.15.0
nuget Magick.NET-Q8-OpenMP-x64
<14.15.0
14.15.0
nuget Magick.NET-Q8-arm64
<14.15.0
14.15.0
nuget Magick.NET-Q8-x64
<14.15.0
14.15.0
nuget Magick.NET-Q8-x86
<14.15.0
14.15.0
nuget Magick.NET-Q16-HDRI-arm64
<14.15.0
14.15.0
julia ImageMagick_jll
<7.1.2029+0
7.1.2029+0

Affected products

  • ImageMagick ImageMagick

Classification

Weakness
  • CWE-401 Missing Release of Memory after Effective Lifetime

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.