Stack-based buffer overflow in ImageMagick - CVE-2026-28494

 

Stack-based buffer overflow in ImageMagick - CVE-2026-28494

Published: March 11, 2026 / Updated: March 12, 2026


Vulnerability identifier: #VU123904
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-28494
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in morphology kernel parsing functions. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

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 12 SP5
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
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 Server 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Real Time 15
Desktop Applications Module
Development Tools Module
openSUSE Leap
openEuler
Anolis OS
libMagickWand-6_Q16-1
libMagick++-devel
ImageMagick-debugsource
ImageMagick-devel
ImageMagick-config-6-SUSE
ImageMagick-debuginfo
libMagickCore-6_Q16-1
libMagickWand-6_Q16-1-debuginfo
libMagickCore-6_Q16-1-debuginfo
ImageMagick-config-6-upstream
imagemagick (Debian package)
ImageMagick-help
ImageMagick-perl
ImageMagick-c++-devel
ImageMagick-c++
ImageMagick
ImageMagick-extra
libMagick++-7_Q16HDRI5
libMagickCore-7_Q16HDRI10-32bit
ImageMagick-doc
libMagickCore-7_Q16HDRI10-64bit
libMagickWand-7_Q16HDRI10-64bit
libMagick++-7_Q16HDRI5-64bit
libMagick++-7_Q16HDRI5-64bit-debuginfo
ImageMagick-devel-64bit
libMagickWand-7_Q16HDRI10-64bit-debuginfo
libMagick++-devel-64bit
libMagickCore-7_Q16HDRI10-64bit-debuginfo
perl-PerlMagick-debuginfo
libMagick++-devel-32bit
libMagickWand-7_Q16HDRI10-32bit-debuginfo
libMagickWand-7_Q16HDRI10-32bit
libMagickCore-7_Q16HDRI10-32bit-debuginfo
libMagick++-7_Q16HDRI5-32bit-debuginfo
libMagick++-7_Q16HDRI5-32bit
ImageMagick-config-7-SUSE
ImageMagick-config-7-upstream
ImageMagick-extra-debuginfo
libMagickCore-7_Q16HDRI10
ImageMagick-devel-32bit
perl-PerlMagick
libMagickCore-7_Q16HDRI10-debuginfo
libMagickWand-7_Q16HDRI10
libMagick++-7_Q16HDRI5-debuginfo
libMagickWand-7_Q16HDRI10-debuginfo
ImageMagick-config-7-upstream-websafe
ImageMagick-config-7-upstream-secure
ImageMagick-config-7-upstream-open
ImageMagick-config-7-upstream-limited
ImageMagick-djvu
ImageMagick-libs

How to mitigate CVE-2026-28494

Install updates from vendor's website.

ImageMagick - addressed in versions 6.9.13-41, 7.1.2-16
libMagickWand-6_Q16-1 - update to 6.8.8.1-71.236.1
libMagick++-devel - addressed in versions 6.8.8.1-71.236.1, 7.1.0.9-150400.6.75.1, 7.1.1.21-150600.3.50.1, 7.1.1.43-150700.3.42.1
ImageMagick-debugsource - addressed in versions 6.8.8.1-71.236.1, 7.1.0.9-150400.6.75.1, 7.1.1.21-150600.3.50.1, 7.1.1.43-150700.3.42.1
ImageMagick-devel - addressed in versions 6.8.8.1-71.236.1, 7.1.0.9-150400.6.75.1, 7.1.1.21-150600.3.50.1, 7.1.1.43-150700.3.42.1
ImageMagick-config-6-SUSE - update to 6.8.8.1-71.236.1
ImageMagick-debuginfo - addressed in versions 6.8.8.1-71.236.1, 7.1.0.9-150400.6.75.1, 7.1.1.21-150600.3.50.1, 7.1.1.43-150700.3.42.1
libMagickCore-6_Q16-1 - update to 6.8.8.1-71.236.1
libMagickWand-6_Q16-1-debuginfo - update to 6.8.8.1-71.236.1
libMagickCore-6_Q16-1-debuginfo - update to 6.8.8.1-71.236.1
ImageMagick-config-6-upstream - update to 6.8.8.1-71.236.1
imagemagick (Debian package) - addressed in versions 8:6.9.11.60+dfsg-1.6+deb12u8, 8:7.1.1.43+dfsg1-1+deb13u7
ImageMagick-help - addressed in versions 6.9.13.41-1, 7.1.2.16-1
ImageMagick-perl - addressed in versions 6.9.13.41-1, 7.1.2.16-1
ImageMagick-devel - addressed in versions 6.9.13.41-1, 7.1.2.16-1
ImageMagick-debugsource - addressed in versions 6.9.13.41-1, 7.1.2.16-1
ImageMagick-debuginfo - addressed in versions 6.9.13.41-1, 7.1.2.16-1
ImageMagick-c++-devel - addressed in versions 6.9.13.41-1, 7.1.2.16-1
ImageMagick-c++ - addressed in versions 6.9.13.41-1, 7.1.2.16-1
ImageMagick - addressed in versions 6.9.13.41-1, 7.1.2.16-1
ImageMagick-extra - addressed in versions 7.1.0.9-150400.6.75.1, 7.1.1.21-150600.3.50.1
libMagick++-7_Q16HDRI5 - addressed in versions 7.1.0.9-150400.6.75.1, 7.1.1.21-150600.3.50.1, 7.1.1.43-150700.3.42.1
libMagickCore-7_Q16HDRI10-32bit - addressed in versions 7.1.0.9-150400.6.75.1, 7.1.1.21-150600.3.50.1
ImageMagick-doc - addressed in versions 7.1.0.9-150400.6.75.1, 7.1.1.21-150600.3.50.1
libMagickCore-7_Q16HDRI10-64bit - addressed in versions 7.1.0.9-150400.6.75.1, 7.1.1.21-150600.3.50.1
libMagickWand-7_Q16HDRI10-64bit - addressed in versions 7.1.0.9-150400.6.75.1, 7.1.1.21-150600.3.50.1
libMagick++-7_Q16HDRI5-64bit - addressed in versions 7.1.0.9-150400.6.75.1, 7.1.1.21-150600.3.50.1
libMagick++-7_Q16HDRI5-64bit-debuginfo - addressed in versions 7.1.0.9-150400.6.75.1, 7.1.1.21-150600.3.50.1
ImageMagick-devel-64bit - addressed in versions 7.1.0.9-150400.6.75.1, 7.1.1.21-150600.3.50.1
libMagickWand-7_Q16HDRI10-64bit-debuginfo - addressed in versions 7.1.0.9-150400.6.75.1, 7.1.1.21-150600.3.50.1
libMagick++-devel-64bit - addressed in versions 7.1.0.9-150400.6.75.1, 7.1.1.21-150600.3.50.1
libMagickCore-7_Q16HDRI10-64bit-debuginfo - addressed in versions 7.1.0.9-150400.6.75.1, 7.1.1.21-150600.3.50.1
perl-PerlMagick-debuginfo - addressed in versions 7.1.0.9-150400.6.75.1, 7.1.1.21-150600.3.50.1, 7.1.1.43-150700.3.42.1
libMagick++-devel-32bit - addressed in versions 7.1.0.9-150400.6.75.1, 7.1.1.21-150600.3.50.1
libMagickWand-7_Q16HDRI10-32bit-debuginfo - addressed in versions 7.1.0.9-150400.6.75.1, 7.1.1.21-150600.3.50.1
libMagickWand-7_Q16HDRI10-32bit - addressed in versions 7.1.0.9-150400.6.75.1, 7.1.1.21-150600.3.50.1
libMagickCore-7_Q16HDRI10-32bit-debuginfo - addressed in versions 7.1.0.9-150400.6.75.1, 7.1.1.21-150600.3.50.1
libMagick++-7_Q16HDRI5-32bit-debuginfo - addressed in versions 7.1.0.9-150400.6.75.1, 7.1.1.21-150600.3.50.1
libMagick++-7_Q16HDRI5-32bit - addressed in versions 7.1.0.9-150400.6.75.1, 7.1.1.21-150600.3.50.1
ImageMagick-config-7-SUSE - addressed in versions 7.1.0.9-150400.6.75.1, 7.1.1.21-150600.3.50.1, 7.1.1.43-150700.3.42.1
ImageMagick-config-7-upstream - update to 7.1.0.9-150400.6.75.1
ImageMagick-extra-debuginfo - addressed in versions 7.1.0.9-150400.6.75.1, 7.1.1.21-150600.3.50.1
libMagickCore-7_Q16HDRI10 - addressed in versions 7.1.0.9-150400.6.75.1, 7.1.1.21-150600.3.50.1, 7.1.1.43-150700.3.42.1
ImageMagick-devel-32bit - addressed in versions 7.1.0.9-150400.6.75.1, 7.1.1.21-150600.3.50.1
perl-PerlMagick - addressed in versions 7.1.0.9-150400.6.75.1, 7.1.1.21-150600.3.50.1, 7.1.1.43-150700.3.42.1
libMagickCore-7_Q16HDRI10-debuginfo - addressed in versions 7.1.0.9-150400.6.75.1, 7.1.1.21-150600.3.50.1, 7.1.1.43-150700.3.42.1
libMagickWand-7_Q16HDRI10 - addressed in versions 7.1.0.9-150400.6.75.1, 7.1.1.21-150600.3.50.1, 7.1.1.43-150700.3.42.1
libMagick++-7_Q16HDRI5-debuginfo - addressed in versions 7.1.0.9-150400.6.75.1, 7.1.1.21-150600.3.50.1, 7.1.1.43-150700.3.42.1
libMagickWand-7_Q16HDRI10-debuginfo - addressed in versions 7.1.0.9-150400.6.75.1, 7.1.1.21-150600.3.50.1, 7.1.1.43-150700.3.42.1
ImageMagick - addressed in versions 7.1.0.9-150400.6.75.1, 7.1.1.21-150600.3.50.1, 7.1.1.43-150700.3.42.1
ImageMagick-config-7-upstream-websafe - addressed in versions 7.1.1.21-150600.3.50.1, 7.1.1.43-150700.3.42.1
ImageMagick-config-7-upstream-secure - addressed in versions 7.1.1.21-150600.3.50.1, 7.1.1.43-150700.3.42.1
ImageMagick-config-7-upstream-open - addressed in versions 7.1.1.21-150600.3.50.1, 7.1.1.43-150700.3.42.1
ImageMagick-config-7-upstream-limited - addressed in versions 7.1.1.21-150600.3.50.1, 7.1.1.43-150700.3.42.1
ImageMagick-doc - update to 7.1.2.8-10
ImageMagick-djvu - update to 7.1.2.8-10
ImageMagick-devel - update to 7.1.2.8-10
ImageMagick-c++-devel - update to 7.1.2.8-10
ImageMagick-c++ - update to 7.1.2.8-10
ImageMagick - update to 7.1.2.8-10
ImageMagick-libs - update to 7.1.2.8-10
ImageMagick-perl - update to 7.1.2.8-10

External References

Related Security Bulletins