Use-after-free in ImageMagick - CVE-2026-46523

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Main Vulnerability Database Vulnerabilities #VU131627

Use-after-free in ImageMagick - CVE-2026-46523

Published: May 18, 2026


Vulnerability identifier: #VU131627
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-46523
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in MSL decoder. A local attacker can perform a denial of service (DoS) attack.


Affected software

ImageMagick
SUSE Linux Enterprise Server 15 SP6
Debian Linux
SUSE Linux Enterprise Server 15 SP5
SUSE Linux Enterprise Server 15 SP4
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Desktop 15
SUSE Package Hub 15
Desktop Applications Module
openSUSE Leap
openEuler
libGraphicsMagick-Q16-3
libGraphicsMagick++-devel
GraphicsMagick-debugsource
libGraphicsMagick++-Q16-12-debuginfo
GraphicsMagick-devel
libGraphicsMagickWand-Q16-2-debuginfo
perl-GraphicsMagick-debuginfo
GraphicsMagick
libGraphicsMagick-Q16-3-debuginfo
libGraphicsMagick++-Q16-12
perl-GraphicsMagick
GraphicsMagick-debuginfo
libGraphicsMagickWand-Q16-2
libGraphicsMagick3-config
imagemagick (Debian package)
ImageMagick-c++-devel
ImageMagick-help
ImageMagick-perl
ImageMagick-devel
ImageMagick-debugsource
ImageMagick-debuginfo
ImageMagick-c++
ImageMagick
perl-PerlMagick-debuginfo
libMagick++-devel
libMagick++-7_Q16HDRI5-debuginfo
libMagick++-7_Q16HDRI5
ImageMagick-config-7-SUSE
libMagickCore-7_Q16HDRI10-debuginfo
ImageMagick-extra-debuginfo
ImageMagick-extra
libMagick++-7_Q16HDRI5-32bit-debuginfo
ImageMagick-devel-32bit
libMagickWand-7_Q16HDRI10-32bit-debuginfo
libMagickCore-7_Q16HDRI10-32bit
libMagick++-devel-32bit
libMagickCore-7_Q16HDRI10-32bit-debuginfo
libMagickWand-7_Q16HDRI10-32bit
libMagick++-7_Q16HDRI5-32bit
libMagick++-7_Q16HDRI5-64bit-debuginfo
libMagickCore-7_Q16HDRI10-64bit
libMagick++-7_Q16HDRI5-64bit
libMagickWand-7_Q16HDRI10-64bit
libMagickCore-7_Q16HDRI10-64bit-debuginfo
libMagickWand-7_Q16HDRI10-64bit-debuginfo
libMagick++-devel-64bit
ImageMagick-devel-64bit
ImageMagick-doc
perl-PerlMagick
libMagickWand-7_Q16HDRI10
libMagickWand-7_Q16HDRI10-debuginfo
ImageMagick-config-7-upstream
libMagickCore-7_Q16HDRI10

How to mitigate CVE-2026-46523

Install updates from vendor's website.

ImageMagick - addressed in versions 6.9.13-48, 7.1.2-23
libGraphicsMagick-Q16-3 - update to 1.3.42-150600.3.30.1
libGraphicsMagick++-devel - update to 1.3.42-150600.3.30.1
GraphicsMagick-debugsource - update to 1.3.42-150600.3.30.1
libGraphicsMagick++-Q16-12-debuginfo - update to 1.3.42-150600.3.30.1
GraphicsMagick-devel - update to 1.3.42-150600.3.30.1
libGraphicsMagickWand-Q16-2-debuginfo - update to 1.3.42-150600.3.30.1
perl-GraphicsMagick-debuginfo - update to 1.3.42-150600.3.30.1
GraphicsMagick - update to 1.3.42-150600.3.30.1
libGraphicsMagick-Q16-3-debuginfo - update to 1.3.42-150600.3.30.1
libGraphicsMagick++-Q16-12 - update to 1.3.42-150600.3.30.1
perl-GraphicsMagick - update to 1.3.42-150600.3.30.1
GraphicsMagick-debuginfo - update to 1.3.42-150600.3.30.1
libGraphicsMagickWand-Q16-2 - update to 1.3.42-150600.3.30.1
libGraphicsMagick3-config - update to 1.3.42-150600.3.30.1
imagemagick (Debian package) - addressed in versions 8:6.9.11.60+dfsg-1.6+deb12u10, 8:7.1.1.43+dfsg1-1+deb13u9
ImageMagick-c++-devel - addressed in versions 6.9.13.48-1, 7.1.2.23-1
ImageMagick-help - addressed in versions 6.9.13.48-1, 7.1.2.23-1
ImageMagick-perl - addressed in versions 6.9.13.48-1, 7.1.2.23-1
ImageMagick-devel - addressed in versions 6.9.13.48-1, 7.1.2.23-1
ImageMagick-debugsource - addressed in versions 6.9.13.48-1, 7.1.2.23-1
ImageMagick-debuginfo - addressed in versions 6.9.13.48-1, 7.1.2.23-1
ImageMagick-c++ - addressed in versions 6.9.13.48-1, 7.1.2.23-1
ImageMagick - addressed in versions 6.9.13.48-1, 7.1.2.23-1
perl-PerlMagick-debuginfo - update to 7.1.0.9-150400.6.87.1
libMagick++-devel - update to 7.1.0.9-150400.6.87.1
ImageMagick-debugsource - update to 7.1.0.9-150400.6.87.1
libMagick++-7_Q16HDRI5-debuginfo - update to 7.1.0.9-150400.6.87.1
libMagick++-7_Q16HDRI5 - update to 7.1.0.9-150400.6.87.1
ImageMagick-config-7-SUSE - update to 7.1.0.9-150400.6.87.1
libMagickCore-7_Q16HDRI10-debuginfo - update to 7.1.0.9-150400.6.87.1
ImageMagick-extra-debuginfo - update to 7.1.0.9-150400.6.87.1
ImageMagick - update to 7.1.0.9-150400.6.87.1
ImageMagick-extra - update to 7.1.0.9-150400.6.87.1
libMagick++-7_Q16HDRI5-32bit-debuginfo - update to 7.1.0.9-150400.6.87.1
ImageMagick-devel-32bit - update to 7.1.0.9-150400.6.87.1
libMagickWand-7_Q16HDRI10-32bit-debuginfo - update to 7.1.0.9-150400.6.87.1
libMagickCore-7_Q16HDRI10-32bit - update to 7.1.0.9-150400.6.87.1
libMagick++-devel-32bit - update to 7.1.0.9-150400.6.87.1
libMagickCore-7_Q16HDRI10-32bit-debuginfo - update to 7.1.0.9-150400.6.87.1
libMagickWand-7_Q16HDRI10-32bit - update to 7.1.0.9-150400.6.87.1
libMagick++-7_Q16HDRI5-32bit - update to 7.1.0.9-150400.6.87.1
libMagick++-7_Q16HDRI5-64bit-debuginfo - update to 7.1.0.9-150400.6.87.1
libMagickCore-7_Q16HDRI10-64bit - update to 7.1.0.9-150400.6.87.1
libMagick++-7_Q16HDRI5-64bit - update to 7.1.0.9-150400.6.87.1
libMagickWand-7_Q16HDRI10-64bit - update to 7.1.0.9-150400.6.87.1
libMagickCore-7_Q16HDRI10-64bit-debuginfo - update to 7.1.0.9-150400.6.87.1
libMagickWand-7_Q16HDRI10-64bit-debuginfo - update to 7.1.0.9-150400.6.87.1
libMagick++-devel-64bit - update to 7.1.0.9-150400.6.87.1
ImageMagick-devel-64bit - update to 7.1.0.9-150400.6.87.1
ImageMagick-doc - update to 7.1.0.9-150400.6.87.1
perl-PerlMagick - update to 7.1.0.9-150400.6.87.1
libMagickWand-7_Q16HDRI10 - update to 7.1.0.9-150400.6.87.1
ImageMagick-debuginfo - update to 7.1.0.9-150400.6.87.1
ImageMagick-devel - update to 7.1.0.9-150400.6.87.1
libMagickWand-7_Q16HDRI10-debuginfo - update to 7.1.0.9-150400.6.87.1
ImageMagick-config-7-upstream - update to 7.1.0.9-150400.6.87.1
libMagickCore-7_Q16HDRI10 - update to 7.1.0.9-150400.6.87.1

External References

Related Security Bulletins