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Fencer Intel
low 1.9

CVE-2026-56364 json

ImageMagick - Memory Leak in LoadOpenCLDeviceBenchmark() via Malformed XML

published 9mo ago modified 17d ago also EUVD-2026-40447 , GHSA-9gjp-pj3g-87pq , GHSA-qp59-x883-77qv , JLSEC-2026-1045

cvss
1.9
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 4%
public exploits
0
none known

Summary

ImageMagick before 7.1.2-13 contains a memory leak vulnerability in LoadOpenCLDeviceBenchmark() function when parsing malformed OpenCL device profile XML files with unclosed device elements. Attackers with write access to the OpenCL cache directory can place malicious XML files to exhaust memory and cause denial of service.

Patch / fix

  • nuget Magick.NET-Q8-x64 14.10.2
  • nuget Magick.NET-Q8-arm64 14.10.2
  • nuget Magick.NET-Q8-x86 14.10.2
  • nuget Magick.NET-Q8-OpenMP-x64 14.10.2
  • nuget Magick.NET-Q8-OpenMP-arm64 14.10.2
  • nuget Magick.NET-Q16-x64 14.10.2
  • nuget Magick.NET-Q16-arm64 14.10.2
  • nuget Magick.NET-Q16-x86 14.10.2
  • nuget Magick.NET-Q16-OpenMP-x64 14.10.2
  • nuget Magick.NET-Q16-OpenMP-arm64 14.10.2
  • nuget Magick.NET-Q16-OpenMP-x86 14.10.2
  • nuget Magick.NET-Q16-HDRI-x64 14.10.2
  • nuget Magick.NET-Q16-HDRI-arm64 14.10.2
  • nuget Magick.NET-Q16-HDRI-x86 14.10.2
  • nuget Magick.NET-Q16-HDRI-OpenMP-x64 14.10.2
  • nuget Magick.NET-Q16-HDRI-OpenMP-arm64 14.10.2
  • nuget Magick.NET-Q8-AnyCPU 14.10.2
  • nuget Magick.NET-Q16-AnyCPU 14.10.2
  • nuget Magick.NET-Q16-HDRI-AnyCPU 14.10.2
  • julia ImageMagick_jll 7.1.2023+0
  • ImageMagick ImageMagick 7.1.2-13
  • imagemagick Debian 13 8:7.1.1.43+dfsg1-1+deb13u11
  • imagemagick Debian 14 8:7.1.2.13+dfsg1-1

debian advisories DEBIAN-CVE-2026-56364

  • ImageMagick SLES for SAP 15 SP6, SLES for SAP 15 SP5, SLES for SAP 15 SP4 +8 more 7.1.0.9-150400.6.96.1
  • ImageMagick SLE Module for Development Tools 15 SP7, SLE Module for Desktop Applications 15 SP7 7.1.1.43-150700.3.65.1
  • ImageMagick SLES for SAP applications 16.0, SLES 16.0 7.1.2.0-160000.11.1
  • ImageMagick SLES for SAP 15 SP6, SLES 15 SP6-LTSS 7.1.1.21-150600.3.73.1

suse advisories SUSE-SU-2026:3053-1SUSE-SU-2026:3023-1SUSE-SU-2026:2877-1SUSE-SU-2026:22620-1

  • ImageMagick openSUSE Leap 16.0 7.1.2.0-160000.11.1
  • ImageMagick openSUSE Tumbleweed 7.1.2.27-1.1

opensuse advisories openSUSE-SU-2026:21291-1openSUSE-SU-2026:11228-1

Is CVE-2026-56364 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

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-2026-56364 updated cvss 1.9

Magick.NET-Q8-x64: Magick.NET-Q8-arm64: Magick.NET-Q8-x86: Magick.NET-Q8-OpenMP-x64: Magick.NET-Q8-OpenMP-arm64: Magick.NET-Q16-x64: Magick.NET-Q16-arm64: Magick.NET-Q16-x86: Magick.NET-Q16-OpenMP-x64

  • Red Hat Enterprise Linux 6 ImageMagick, ImageMagick-c++, ImageMagick-perl Red Hat Enterprise Linux 7 ImageMagick, ImageMagick-c++, ImageMagick-perl
    under investigation

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
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
4mo ago

Exploit prediction

0.15% chance of exploitation in the next 30 days, higher than 4% of all scored CVEs (FIRST EPSS, 2026-11-11).

Exploits and checks

  • github.com https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-qp59-x883-77qv referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 4.0 1.8 CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
CNA 3.1 1.9 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L
GitHub 3.1 6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
CNA 4.0 1.8 CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/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
OSV 3.1 1.9 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L

Affected packages

ecosystem package affected fixed in
nuget Magick.NET-Q8-x64
<14.10.2
14.10.2
nuget Magick.NET-Q8-arm64
<14.10.2
14.10.2
nuget Magick.NET-Q8-x86
<14.10.2
14.10.2
nuget Magick.NET-Q8-OpenMP-x64
<14.10.2
14.10.2
nuget Magick.NET-Q8-OpenMP-arm64
<14.10.2
14.10.2
nuget Magick.NET-Q16-x64
<14.10.2
14.10.2
nuget Magick.NET-Q16-arm64
<14.10.2
14.10.2
nuget Magick.NET-Q16-x86
<14.10.2
14.10.2
nuget Magick.NET-Q16-OpenMP-x64
<14.10.2
14.10.2
nuget Magick.NET-Q16-OpenMP-arm64
<14.10.2
14.10.2
nuget Magick.NET-Q16-OpenMP-x86
<14.10.2
14.10.2
nuget Magick.NET-Q16-HDRI-x64
<14.10.2
14.10.2
nuget Magick.NET-Q16-HDRI-arm64
<14.10.2
14.10.2
nuget Magick.NET-Q16-HDRI-x86
<14.10.2
14.10.2
nuget Magick.NET-Q16-HDRI-OpenMP-x64
<14.10.2
14.10.2
nuget Magick.NET-Q16-HDRI-OpenMP-arm64
<14.10.2
14.10.2
nuget Magick.NET-Q8-AnyCPU
<14.10.2
14.10.2
nuget Magick.NET-Q16-AnyCPU
<14.10.2
14.10.2
nuget Magick.NET-Q16-HDRI-AnyCPU
<14.10.2
14.10.2
julia ImageMagick_jll
<7.1.2023+0
7.1.2023+0

Affected products

  • ImageMagick ImageMagick

Classification

Weakness
  • CWE-401 Missing Release of Memory after Effective Lifetime
  • CWE-763 Release of Invalid Pointer or Reference

References

Sources

Fencer Intel 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.