Heap-based buffer overflow in ImageMagick - CVE-2026-56372

Vulnerability identifier: #VU125876

CSH Severity: Low

CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-56372

CWE-ID: CWE-122

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to cause a denial of service.

The vulnerability exists due to heap-based buffer overflow in the magnify operation when processing an unrecognized magnify:method value. A remote attacker can supply a specially crafted input to cause a denial of service.

User interaction is required to process the crafted input.

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

Install security update from vendor's website.

ImageMagick - update to 7.1.2-19
ImageMagick-debuginfo - addressed in versions 7.1.0.9-150400.6.101.1, 7.1.1.21-150600.3.80.2, 7.1.1.43-150700.3.70.1
libMagickWand-7_Q16HDRI10-32bit - addressed in versions 7.1.0.9-150400.6.101.1, 7.1.1.21-150600.3.80.2
libMagickCore-7_Q16HDRI10-32bit-debuginfo - addressed in versions 7.1.0.9-150400.6.101.1, 7.1.1.21-150600.3.80.2
libMagickCore-7_Q16HDRI10-32bit - addressed in versions 7.1.0.9-150400.6.101.1, 7.1.1.21-150600.3.80.2
ImageMagick-devel-32bit - addressed in versions 7.1.0.9-150400.6.101.1, 7.1.1.21-150600.3.80.2
libMagick++-7_Q16HDRI5-32bit-debuginfo - addressed in versions 7.1.0.9-150400.6.101.1, 7.1.1.21-150600.3.80.2
libMagick++-devel-32bit - addressed in versions 7.1.0.9-150400.6.101.1, 7.1.1.21-150600.3.80.2
libMagickWand-7_Q16HDRI10-debuginfo - addressed in versions 7.1.0.9-150400.6.101.1, 7.1.1.21-150600.3.80.2, 7.1.1.43-150700.3.70.1
ImageMagick-debugsource - addressed in versions 7.1.0.9-150400.6.101.1, 7.1.1.21-150600.3.80.2, 7.1.1.43-150700.3.70.1
libMagick++-7_Q16HDRI5-debuginfo - addressed in versions 7.1.0.9-150400.6.101.1, 7.1.1.21-150600.3.80.2, 7.1.1.43-150700.3.70.1
perl-PerlMagick-debuginfo - addressed in versions 7.1.0.9-150400.6.101.1, 7.1.1.21-150600.3.80.2, 7.1.1.43-150700.3.70.1
ImageMagick-extra - addressed in versions 7.1.0.9-150400.6.101.1, 7.1.1.21-150600.3.80.2
libMagick++-7_Q16HDRI5-32bit - addressed in versions 7.1.0.9-150400.6.101.1, 7.1.1.21-150600.3.80.2
ImageMagick-devel - addressed in versions 7.1.0.9-150400.6.101.1, 7.1.1.21-150600.3.80.2, 7.1.1.43-150700.3.70.1
libMagick++-devel - addressed in versions 7.1.0.9-150400.6.101.1, 7.1.1.21-150600.3.80.2, 7.1.1.43-150700.3.70.1
libMagickCore-7_Q16HDRI10-debuginfo - addressed in versions 7.1.0.9-150400.6.101.1, 7.1.1.21-150600.3.80.2, 7.1.1.43-150700.3.70.1
ImageMagick - addressed in versions 7.1.0.9-150400.6.101.1, 7.1.1.21-150600.3.80.2, 7.1.1.43-150700.3.70.1
perl-PerlMagick - addressed in versions 7.1.0.9-150400.6.101.1, 7.1.1.21-150600.3.80.2, 7.1.1.43-150700.3.70.1
ImageMagick-extra-debuginfo - addressed in versions 7.1.0.9-150400.6.101.1, 7.1.1.21-150600.3.80.2
ImageMagick-config-7-upstream - update to 7.1.0.9-150400.6.101.1
ImageMagick-config-7-SUSE - addressed in versions 7.1.0.9-150400.6.101.1, 7.1.1.21-150600.3.80.2, 7.1.1.43-150700.3.70.1
libMagickWand-7_Q16HDRI10 - addressed in versions 7.1.0.9-150400.6.101.1, 7.1.1.21-150600.3.80.2, 7.1.1.43-150700.3.70.1
libMagick++-7_Q16HDRI5 - addressed in versions 7.1.0.9-150400.6.101.1, 7.1.1.21-150600.3.80.2, 7.1.1.43-150700.3.70.1
libMagickCore-7_Q16HDRI10 - addressed in versions 7.1.0.9-150400.6.101.1, 7.1.1.21-150600.3.80.2, 7.1.1.43-150700.3.70.1
libMagickWand-7_Q16HDRI10-32bit-debuginfo - addressed in versions 7.1.0.9-150400.6.101.1, 7.1.1.21-150600.3.80.2
ImageMagick-doc - addressed in versions 7.1.0.9-150400.6.101.1, 7.1.1.21-150600.3.80.2
libMagickWand-7_Q16HDRI10-64bit - addressed in versions 7.1.0.9-150400.6.101.1, 7.1.1.21-150600.3.80.2
ImageMagick-devel-64bit - addressed in versions 7.1.0.9-150400.6.101.1, 7.1.1.21-150600.3.80.2
libMagick++-devel-64bit - addressed in versions 7.1.0.9-150400.6.101.1, 7.1.1.21-150600.3.80.2
libMagickCore-7_Q16HDRI10-64bit-debuginfo - addressed in versions 7.1.0.9-150400.6.101.1, 7.1.1.21-150600.3.80.2
libMagick++-7_Q16HDRI5-64bit - addressed in versions 7.1.0.9-150400.6.101.1, 7.1.1.21-150600.3.80.2
libMagick++-7_Q16HDRI5-64bit-debuginfo - addressed in versions 7.1.0.9-150400.6.101.1, 7.1.1.21-150600.3.80.2
libMagickCore-7_Q16HDRI10-64bit - addressed in versions 7.1.0.9-150400.6.101.1, 7.1.1.21-150600.3.80.2
libMagickWand-7_Q16HDRI10-64bit-debuginfo - addressed in versions 7.1.0.9-150400.6.101.1, 7.1.1.21-150600.3.80.2
ImageMagick-config-7-upstream-secure - addressed in versions 7.1.1.21-150600.3.80.2, 7.1.1.43-150700.3.70.1
ImageMagick-config-7-upstream-websafe - addressed in versions 7.1.1.21-150600.3.80.2, 7.1.1.43-150700.3.70.1
ImageMagick-config-7-upstream-open - addressed in versions 7.1.1.21-150600.3.80.2, 7.1.1.43-150700.3.70.1
ImageMagick-config-7-upstream-limited - addressed in versions 7.1.1.21-150600.3.80.2, 7.1.1.43-150700.3.70.1
ImageMagick - update to 7.1.2.27-1
ImageMagick-c++ - update to 7.1.2.27-1
ImageMagick-c++-devel - update to 7.1.2.27-1
ImageMagick-devel - update to 7.1.2.27-1
ImageMagick-djvu - update to 7.1.2.27-1
ImageMagick-doc - update to 7.1.2.27-1
ImageMagick-libs - update to 7.1.2.27-1
ImageMagick - update to 7.1.2.27-1
ImageMagick-perl - update to 7.1.2.27-1
ImageMagick-c++ - update to 7.1.2.27-1
ImageMagick-c++-devel - update to 7.1.2.27-1
ImageMagick-debuginfo - update to 7.1.2.27-1
ImageMagick-debugsource - update to 7.1.2.27-1
ImageMagick-devel - update to 7.1.2.27-1
ImageMagick-perl - update to 7.1.2.27-1
ImageMagick-help - update to 7.1.2.27-1

• https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-8vfj-q2cp-5m5j

• Multiple vulnerabilities in ImageMagick
• openEuler 24.03 LTS SP4 update for ImageMagick
• openEuler 24.03 LTS SP3 update for ImageMagick
• openEuler 24.03 LTS SP1 update for ImageMagick
• openEuler 22.03 LTS SP4 update for ImageMagick
• SUSE update for ImageMagick
• SUSE update for ImageMagick
• SUSE update for ImageMagick
• Anolis OS update for ImageMagick