Use-after-free in ImageMagick - CVE-2026-56376

Vulnerability identifier: #VU123170

CSH Severity: High

CVSS v4: 9.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-56376

CWE-ID: CWE-416

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in meta coder. A remote attacker can pass specially crafted image to the application, trigger a use-after-free error and execute arbitrary code on the system.

ImageMagick
Debian Linux
SUSE Linux Enterprise Server 15 SP6
SUSE Linux Enterprise Server 15 SP5
SUSE Linux Enterprise Server 15 SP4
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Desktop 15
Desktop Applications Module
Development Tools Module
openSUSE Leap
libMagickCore-7_Q16HDRI10
ImageMagick-extra
ImageMagick-extra-debuginfo
perl-PerlMagick-debuginfo
perl-PerlMagick
ImageMagick-debuginfo
ImageMagick-config-7-SUSE
ImageMagick-config-7-upstream
libMagick++-7_Q16HDRI5-debuginfo
ImageMagick-doc
libMagickCore-7_Q16HDRI10-debuginfo
libMagickWand-7_Q16HDRI10-debuginfo
ImageMagick-debugsource
libMagick++-devel
ImageMagick
libMagick++-7_Q16HDRI5
ImageMagick-devel
libMagickWand-7_Q16HDRI10
libMagickWand-7_Q16HDRI10-64bit
libMagickCore-7_Q16HDRI10-32bit
ImageMagick-devel-32bit
libMagick++-devel-32bit
libMagickCore-7_Q16HDRI10-32bit-debuginfo
libMagickWand-7_Q16HDRI10-32bit-debuginfo
libMagickWand-7_Q16HDRI10-32bit
libMagick++-7_Q16HDRI5-32bit
libMagick++-7_Q16HDRI5-64bit-debuginfo
libMagickWand-7_Q16HDRI10-64bit-debuginfo
libMagick++-devel-64bit
ImageMagick-devel-64bit
libMagick++-7_Q16HDRI5-64bit
libMagickCore-7_Q16HDRI10-64bit-debuginfo
libMagickCore-7_Q16HDRI10-64bit
libMagick++-7_Q16HDRI5-32bit-debuginfo
ImageMagick-config-7-upstream-websafe
ImageMagick-config-7-upstream-open
ImageMagick-config-7-upstream-limited
ImageMagick-config-7-upstream-secure
imagemagick (Debian package)

Install updates from vendor's website.

ImageMagick - addressed in versions 6.9.13-40, 7.1.2-15
libMagickCore-7_Q16HDRI10 - addressed in versions 7.1.0.9-150400.6.96.1, 7.1.1.21-150600.3.73.1, 7.1.1.43-150700.3.65.1
ImageMagick-extra - addressed in versions 7.1.0.9-150400.6.96.1, 7.1.1.21-150600.3.73.1
ImageMagick-extra-debuginfo - addressed in versions 7.1.0.9-150400.6.96.1, 7.1.1.21-150600.3.73.1
perl-PerlMagick-debuginfo - addressed in versions 7.1.0.9-150400.6.96.1, 7.1.1.21-150600.3.73.1, 7.1.1.43-150700.3.65.1
perl-PerlMagick - addressed in versions 7.1.0.9-150400.6.96.1, 7.1.1.21-150600.3.73.1, 7.1.1.43-150700.3.65.1
ImageMagick-debuginfo - addressed in versions 7.1.0.9-150400.6.96.1, 7.1.1.21-150600.3.73.1, 7.1.1.43-150700.3.65.1
ImageMagick-config-7-SUSE - addressed in versions 7.1.0.9-150400.6.96.1, 7.1.1.21-150600.3.73.1, 7.1.1.43-150700.3.65.1
ImageMagick-config-7-upstream - update to 7.1.0.9-150400.6.96.1
libMagick++-7_Q16HDRI5-debuginfo - addressed in versions 7.1.0.9-150400.6.96.1, 7.1.1.21-150600.3.73.1, 7.1.1.43-150700.3.65.1
ImageMagick-doc - addressed in versions 7.1.0.9-150400.6.96.1, 7.1.1.21-150600.3.73.1
libMagickCore-7_Q16HDRI10-debuginfo - addressed in versions 7.1.0.9-150400.6.96.1, 7.1.1.21-150600.3.73.1, 7.1.1.43-150700.3.65.1
libMagickWand-7_Q16HDRI10-debuginfo - addressed in versions 7.1.0.9-150400.6.96.1, 7.1.1.21-150600.3.73.1, 7.1.1.43-150700.3.65.1
ImageMagick-debugsource - addressed in versions 7.1.0.9-150400.6.96.1, 7.1.1.21-150600.3.73.1, 7.1.1.43-150700.3.65.1
libMagick++-devel - addressed in versions 7.1.0.9-150400.6.96.1, 7.1.1.21-150600.3.73.1, 7.1.1.43-150700.3.65.1
ImageMagick - addressed in versions 7.1.0.9-150400.6.96.1, 7.1.1.21-150600.3.73.1, 7.1.1.43-150700.3.65.1
libMagick++-7_Q16HDRI5 - addressed in versions 7.1.0.9-150400.6.96.1, 7.1.1.21-150600.3.73.1, 7.1.1.43-150700.3.65.1
ImageMagick-devel - addressed in versions 7.1.0.9-150400.6.96.1, 7.1.1.21-150600.3.73.1, 7.1.1.43-150700.3.65.1
libMagickWand-7_Q16HDRI10 - addressed in versions 7.1.0.9-150400.6.96.1, 7.1.1.21-150600.3.73.1, 7.1.1.43-150700.3.65.1
libMagickWand-7_Q16HDRI10-64bit - addressed in versions 7.1.0.9-150400.6.96.1, 7.1.1.21-150600.3.73.1
libMagickCore-7_Q16HDRI10-32bit - addressed in versions 7.1.0.9-150400.6.96.1, 7.1.1.21-150600.3.73.1
ImageMagick-devel-32bit - addressed in versions 7.1.0.9-150400.6.96.1, 7.1.1.21-150600.3.73.1
libMagick++-devel-32bit - addressed in versions 7.1.0.9-150400.6.96.1, 7.1.1.21-150600.3.73.1
libMagickCore-7_Q16HDRI10-32bit-debuginfo - addressed in versions 7.1.0.9-150400.6.96.1, 7.1.1.21-150600.3.73.1
libMagickWand-7_Q16HDRI10-32bit-debuginfo - addressed in versions 7.1.0.9-150400.6.96.1, 7.1.1.21-150600.3.73.1
libMagickWand-7_Q16HDRI10-32bit - addressed in versions 7.1.0.9-150400.6.96.1, 7.1.1.21-150600.3.73.1
libMagick++-7_Q16HDRI5-32bit - addressed in versions 7.1.0.9-150400.6.96.1, 7.1.1.21-150600.3.73.1
libMagick++-7_Q16HDRI5-64bit-debuginfo - addressed in versions 7.1.0.9-150400.6.96.1, 7.1.1.21-150600.3.73.1
libMagickWand-7_Q16HDRI10-64bit-debuginfo - addressed in versions 7.1.0.9-150400.6.96.1, 7.1.1.21-150600.3.73.1
libMagick++-devel-64bit - addressed in versions 7.1.0.9-150400.6.96.1, 7.1.1.21-150600.3.73.1
ImageMagick-devel-64bit - addressed in versions 7.1.0.9-150400.6.96.1, 7.1.1.21-150600.3.73.1
libMagick++-7_Q16HDRI5-64bit - addressed in versions 7.1.0.9-150400.6.96.1, 7.1.1.21-150600.3.73.1
libMagickCore-7_Q16HDRI10-64bit-debuginfo - addressed in versions 7.1.0.9-150400.6.96.1, 7.1.1.21-150600.3.73.1
libMagickCore-7_Q16HDRI10-64bit - addressed in versions 7.1.0.9-150400.6.96.1, 7.1.1.21-150600.3.73.1
libMagick++-7_Q16HDRI5-32bit-debuginfo - addressed in versions 7.1.0.9-150400.6.96.1, 7.1.1.21-150600.3.73.1
ImageMagick-config-7-upstream-websafe - addressed in versions 7.1.1.21-150600.3.73.1, 7.1.1.43-150700.3.65.1
ImageMagick-config-7-upstream-open - addressed in versions 7.1.1.21-150600.3.73.1, 7.1.1.43-150700.3.65.1
ImageMagick-config-7-upstream-limited - addressed in versions 7.1.1.21-150600.3.73.1, 7.1.1.43-150700.3.65.1
ImageMagick-config-7-upstream-secure - addressed in versions 7.1.1.21-150600.3.73.1, 7.1.1.43-150700.3.65.1
imagemagick (Debian package) - update to 8:7.1.1.43+dfsg1-1+deb13u11

• https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-2gq3-ww97-wfjm

• Multiple vulnerabilities in ImageMagick
• Debian update for imagemagick
• SUSE update for ImageMagick
• SUSE update for ImageMagick
• SUSE update for ImageMagick