Heap-based buffer overflow in ImageMagick - CVE-2026-32636

Vulnerability identifier: #VU124052

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-32636

CWE-ID: CWE-122

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in the NewXMLTree method. A remote attacker can pass specially crafted data to the application, trigger a heap-based buffer overflow and cause a denial of service condition on the target system.

ImageMagick
Debian Linux
SUSE Linux Enterprise Server 15 SP4
SUSE Linux Enterprise Server 15 SP5
SUSE Linux Enterprise Server 15 SP6
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
Ubuntu
Development Tools Module
Desktop Applications Module
openSUSE Leap
openEuler
Anolis OS
imagemagick (Ubuntu package)
ImageMagick (Red Hat package)
imagemagick (Debian package)
ImageMagick-perl
ImageMagick-devel
ImageMagick-debugsource
ImageMagick-debuginfo
ImageMagick-c++-devel
ImageMagick-c++
ImageMagick
ImageMagick-help
libMagick++-7_Q16HDRI5-debuginfo
libMagickWand-7_Q16HDRI10
libMagickCore-7_Q16HDRI10-debuginfo
perl-PerlMagick
perl-PerlMagick-debuginfo
libMagickCore-7_Q16HDRI10
libMagickWand-7_Q16HDRI10-debuginfo
libMagick++-devel
ImageMagick-extra
libMagick++-7_Q16HDRI5
ImageMagick-doc
libMagick++-devel-64bit
libMagickWand-7_Q16HDRI10-64bit-debuginfo
ImageMagick-devel-64bit
libMagick++-7_Q16HDRI5-64bit-debuginfo
libMagick++-7_Q16HDRI5-64bit
libMagickWand-7_Q16HDRI10-64bit
libMagickCore-7_Q16HDRI10-64bit-debuginfo
libMagickCore-7_Q16HDRI10-64bit
libMagickCore-7_Q16HDRI10-32bit
ImageMagick-extra-debuginfo
ImageMagick-devel-32bit
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-config-7-upstream-limited
ImageMagick-config-7-upstream-open
ImageMagick-config-7-upstream-secure
ImageMagick-config-7-upstream-websafe
ImageMagick-libs
ImageMagick-djvu

Install updates from vendor's website.

ImageMagick - addressed in versions 6.9.13-42, 7.1.2-17
imagemagick (Ubuntu package) - addressed in versions 8:6.7.7.10-6ubuntu3.13+esm20, 8:6.8.9.9-7ubuntu5.16+esm19, 8:6.9.7.4+dfsg-16ubuntu6.15+esm11, 8:6.9.10.23+dfsg-2.1ubuntu11.11+esm9, 8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm9, 8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm8
ImageMagick (Red Hat package) - update to 6.9.10.68-16.el7_9
imagemagick (Debian package) - addressed in versions 8:6.9.11.60+dfsg-1.6+deb12u8, 8:7.1.1.43+dfsg1-1+deb13u8
ImageMagick-perl - addressed in versions 6.9.13.43-1, 7.1.2.18-1
ImageMagick-devel - addressed in versions 6.9.13.43-1, 7.1.2.18-1
ImageMagick-debugsource - addressed in versions 6.9.13.43-1, 7.1.2.18-1
ImageMagick-debuginfo - addressed in versions 6.9.13.43-1, 7.1.2.18-1
ImageMagick-c++-devel - addressed in versions 6.9.13.43-1, 7.1.2.18-1
ImageMagick-c++ - addressed in versions 6.9.13.43-1, 7.1.2.18-1
ImageMagick - addressed in versions 6.9.13.43-1, 7.1.2.18-1
ImageMagick-help - addressed in versions 6.9.13.43-1, 7.1.2.18-1
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 - 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
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
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
ImageMagick-debugsource - 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 - 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-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
libMagick++-devel - 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-extra - addressed in versions 7.1.0.9-150400.6.75.1, 7.1.1.21-150600.3.50.1
ImageMagick-devel - 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 - 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-doc - 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
libMagickWand-7_Q16HDRI10-64bit-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
libMagick++-7_Q16HDRI5-64bit-debuginfo - 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
libMagickWand-7_Q16HDRI10-64bit - 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
libMagickCore-7_Q16HDRI10-64bit - addressed in versions 7.1.0.9-150400.6.75.1, 7.1.1.21-150600.3.50.1
libMagickCore-7_Q16HDRI10-32bit - addressed in versions 7.1.0.9-150400.6.75.1, 7.1.1.21-150600.3.50.1
ImageMagick-extra-debuginfo - addressed in versions 7.1.0.9-150400.6.75.1, 7.1.1.21-150600.3.50.1
ImageMagick-devel-32bit - addressed in versions 7.1.0.9-150400.6.75.1, 7.1.1.21-150600.3.50.1
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-config-7-upstream-limited - 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-secure - addressed in versions 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-perl - update to 7.1.2.15-2
ImageMagick-libs - update to 7.1.2.15-2
ImageMagick-doc - update to 7.1.2.15-2
ImageMagick-djvu - update to 7.1.2.15-2
ImageMagick-devel - update to 7.1.2.15-2
ImageMagick-c++-devel - update to 7.1.2.15-2
ImageMagick - update to 7.1.2.15-2
ImageMagick-c++ - update to 7.1.2.15-2

• https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-gc62-2v5p-qpmp

• Denial of service in ImageMagick
• openEuler 24.03 LTS update for ImageMagick
• openEuler 22.03 LTS SP4 update for ImageMagick
• openEuler 20.03 LTS SP4 update for ImageMagick
• openEuler 24.03 LTS SP3 update for ImageMagick
• openEuler 24.03 LTS SP2 update for ImageMagick
• openEuler 24.03 LTS SP1 update for ImageMagick
• Ubuntu update for imagemagick
• Debian update for imagemagick
• SUSE update for ImageMagick
• SUSE update for ImageMagick
• Anolis OS update for ImageMagick
• SUSE update for ImageMagick
• Debian update for imagemagick
• Red Hat Enterprise Linux 7 Extended Lifecycle Support update for ImageMagick