Memory leak in ImageMagick - CVE-2026-86421

Vulnerability identifier: #VU144587

CSH Severity: Medium

CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-86421

CWE-ID: CWE-401

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak in MSL decoder. A remote attacker can use a specially crafted MSL image and perform denial of service attack.

ImageMagick
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise Server 15 SP6
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Desktop 15
Desktop Applications Module
openSUSE Leap
openEuler
Anolis OS
libMagick++-devel
ImageMagick-debuginfo
libMagickCore-6_Q16-1-debuginfo
libMagickWand-6_Q16-1
libMagickWand-6_Q16-1-debuginfo
ImageMagick-config-6-upstream
libMagickCore-6_Q16-1
ImageMagick-config-6-SUSE
ImageMagick-devel
ImageMagick-debugsource
ImageMagick-config-7-SUSE
libMagickCore-7_Q16HDRI10
libMagick++-7_Q16HDRI5
ImageMagick-doc
ImageMagick-extra
ImageMagick-extra-debuginfo
ImageMagick
libMagickCore-7_Q16HDRI10-debuginfo
perl-PerlMagick-debuginfo
ImageMagick-config-7-upstream
perl-PerlMagick
libMagick++-7_Q16HDRI5-debuginfo
libMagickWand-7_Q16HDRI10
libMagickWand-7_Q16HDRI10-debuginfo
libMagick++-7_Q16HDRI5-32bit-debuginfo
libMagick++-7_Q16HDRI5-64bit
libMagickCore-7_Q16HDRI10-64bit
libMagickCore-7_Q16HDRI10-64bit-debuginfo
ImageMagick-devel-64bit
libMagickWand-7_Q16HDRI10-64bit
libMagickWand-7_Q16HDRI10-64bit-debuginfo
libMagick++-devel-64bit
ImageMagick-devel-32bit
libMagickCore-7_Q16HDRI10-32bit
libMagickWand-7_Q16HDRI10-32bit
libMagickWand-7_Q16HDRI10-32bit-debuginfo
libMagickCore-7_Q16HDRI10-32bit-debuginfo
libMagick++-7_Q16HDRI5-32bit
libMagick++-devel-32bit
libMagick++-7_Q16HDRI5-64bit-debuginfo
ImageMagick-config-7-upstream-open
ImageMagick-config-7-upstream-websafe
ImageMagick-config-7-upstream-limited
ImageMagick-config-7-upstream-secure
ImageMagick-c++
ImageMagick-c++-devel
ImageMagick-perl
ImageMagick-help
ImageMagick-djvu
ImageMagick-libs

Install updates from vendor's website.

ImageMagick - addressed in versions 6.9.13-55, 7.1.2-30
libMagick++-devel - addressed in versions 6.8.8.1-71.273.2, 7.1.0.9-150400.6.113.1, 7.1.1.21-150600.3.87.1
ImageMagick-debuginfo - addressed in versions 6.8.8.1-71.273.2, 7.1.0.9-150400.6.113.1, 7.1.1.21-150600.3.87.1
libMagickCore-6_Q16-1-debuginfo - update to 6.8.8.1-71.273.2
libMagickWand-6_Q16-1 - update to 6.8.8.1-71.273.2
libMagickWand-6_Q16-1-debuginfo - update to 6.8.8.1-71.273.2
ImageMagick-config-6-upstream - update to 6.8.8.1-71.273.2
libMagickCore-6_Q16-1 - update to 6.8.8.1-71.273.2
ImageMagick-config-6-SUSE - update to 6.8.8.1-71.273.2
ImageMagick-devel - addressed in versions 6.8.8.1-71.273.2, 7.1.0.9-150400.6.113.1, 7.1.1.21-150600.3.87.1
ImageMagick-debugsource - addressed in versions 6.8.8.1-71.273.2, 7.1.0.9-150400.6.113.1, 7.1.1.21-150600.3.87.1
ImageMagick-config-7-SUSE - addressed in versions 7.1.0.9-150400.6.113.1, 7.1.1.21-150600.3.87.1
libMagickCore-7_Q16HDRI10 - addressed in versions 7.1.0.9-150400.6.113.1, 7.1.1.21-150600.3.87.1
libMagick++-7_Q16HDRI5 - addressed in versions 7.1.0.9-150400.6.113.1, 7.1.1.21-150600.3.87.1
ImageMagick-doc - addressed in versions 7.1.0.9-150400.6.113.1, 7.1.1.21-150600.3.87.1
ImageMagick-extra - addressed in versions 7.1.0.9-150400.6.113.1, 7.1.1.21-150600.3.87.1
ImageMagick-extra-debuginfo - addressed in versions 7.1.0.9-150400.6.113.1, 7.1.1.21-150600.3.87.1
ImageMagick - addressed in versions 7.1.0.9-150400.6.113.1, 7.1.1.21-150600.3.87.1
libMagickCore-7_Q16HDRI10-debuginfo - addressed in versions 7.1.0.9-150400.6.113.1, 7.1.1.21-150600.3.87.1
perl-PerlMagick-debuginfo - addressed in versions 7.1.0.9-150400.6.113.1, 7.1.1.21-150600.3.87.1
ImageMagick-config-7-upstream - update to 7.1.0.9-150400.6.113.1
perl-PerlMagick - addressed in versions 7.1.0.9-150400.6.113.1, 7.1.1.21-150600.3.87.1
libMagick++-7_Q16HDRI5-debuginfo - addressed in versions 7.1.0.9-150400.6.113.1, 7.1.1.21-150600.3.87.1
libMagickWand-7_Q16HDRI10 - addressed in versions 7.1.0.9-150400.6.113.1, 7.1.1.21-150600.3.87.1
libMagickWand-7_Q16HDRI10-debuginfo - addressed in versions 7.1.0.9-150400.6.113.1, 7.1.1.21-150600.3.87.1
libMagick++-7_Q16HDRI5-32bit-debuginfo - addressed in versions 7.1.0.9-150400.6.113.1, 7.1.1.21-150600.3.87.1
libMagick++-7_Q16HDRI5-64bit - addressed in versions 7.1.0.9-150400.6.113.1, 7.1.1.21-150600.3.87.1
libMagickCore-7_Q16HDRI10-64bit - addressed in versions 7.1.0.9-150400.6.113.1, 7.1.1.21-150600.3.87.1
libMagickCore-7_Q16HDRI10-64bit-debuginfo - addressed in versions 7.1.0.9-150400.6.113.1, 7.1.1.21-150600.3.87.1
ImageMagick-devel-64bit - addressed in versions 7.1.0.9-150400.6.113.1, 7.1.1.21-150600.3.87.1
libMagickWand-7_Q16HDRI10-64bit - addressed in versions 7.1.0.9-150400.6.113.1, 7.1.1.21-150600.3.87.1
libMagickWand-7_Q16HDRI10-64bit-debuginfo - addressed in versions 7.1.0.9-150400.6.113.1, 7.1.1.21-150600.3.87.1
libMagick++-devel-64bit - addressed in versions 7.1.0.9-150400.6.113.1, 7.1.1.21-150600.3.87.1
ImageMagick-devel-32bit - addressed in versions 7.1.0.9-150400.6.113.1, 7.1.1.21-150600.3.87.1
libMagickCore-7_Q16HDRI10-32bit - addressed in versions 7.1.0.9-150400.6.113.1, 7.1.1.21-150600.3.87.1
libMagickWand-7_Q16HDRI10-32bit - addressed in versions 7.1.0.9-150400.6.113.1, 7.1.1.21-150600.3.87.1
libMagickWand-7_Q16HDRI10-32bit-debuginfo - addressed in versions 7.1.0.9-150400.6.113.1, 7.1.1.21-150600.3.87.1
libMagickCore-7_Q16HDRI10-32bit-debuginfo - addressed in versions 7.1.0.9-150400.6.113.1, 7.1.1.21-150600.3.87.1
libMagick++-7_Q16HDRI5-32bit - addressed in versions 7.1.0.9-150400.6.113.1, 7.1.1.21-150600.3.87.1
libMagick++-devel-32bit - addressed in versions 7.1.0.9-150400.6.113.1, 7.1.1.21-150600.3.87.1
libMagick++-7_Q16HDRI5-64bit-debuginfo - addressed in versions 7.1.0.9-150400.6.113.1, 7.1.1.21-150600.3.87.1
ImageMagick-config-7-upstream-open - update to 7.1.1.21-150600.3.87.1
ImageMagick-config-7-upstream-websafe - update to 7.1.1.21-150600.3.87.1
ImageMagick-config-7-upstream-limited - update to 7.1.1.21-150600.3.87.1
ImageMagick-config-7-upstream-secure - update to 7.1.1.21-150600.3.87.1
ImageMagick-c++ - update to 7.1.2.31-1
ImageMagick-c++-devel - update to 7.1.2.31-1
ImageMagick-debuginfo - update to 7.1.2.31-1
ImageMagick-debugsource - update to 7.1.2.31-1
ImageMagick-devel - update to 7.1.2.31-1
ImageMagick-perl - update to 7.1.2.31-1
ImageMagick-help - update to 7.1.2.31-1
ImageMagick - update to 7.1.2.31-1
ImageMagick-c++ - update to 7.1.2.31-1
ImageMagick-c++-devel - update to 7.1.2.31-1
ImageMagick-devel - update to 7.1.2.31-1
ImageMagick-djvu - update to 7.1.2.31-1
ImageMagick-doc - update to 7.1.2.31-1
ImageMagick-libs - update to 7.1.2.31-1
ImageMagick-perl - update to 7.1.2.31-1
ImageMagick - update to 7.1.2.31-1

• https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-4jv7-q6xw-6f4x

• Multiple vulnerabilities in ImageMagick
• openEuler update for ImageMagick
• Anolis OS update for ImageMagick
• SUSE update for ImageMagick
• SUSE update for ImageMagick
• SUSE update for ImageMagick