Heap-based buffer overflow in ImageMagick - CVE-2026-33901

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Main Vulnerability Database Vulnerabilities #VU125880

Heap-based buffer overflow in ImageMagick - CVE-2026-33901

Published: April 14, 2026


Vulnerability identifier: #VU125880
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-33901
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to a heap-based buffer overflow in the MVG decoder when processing a crafted image. A remote attacker can send a specially crafted image to cause a denial of service.

The issue could result in an out-of-bounds write.


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

How to mitigate CVE-2026-33901

Install security update from vendor's website.

ImageMagick - addressed in versions 6.9.13-44, 7.1.2-19
imagemagick (Debian package) - addressed in versions 8:6.9.11.60+dfsg-1.6+deb12u9, 8:7.1.1.43+dfsg1-1+deb13u8
ImageMagick-perl - addressed in versions 6.9.13.44-1, 7.1.2.19-1
ImageMagick-help - addressed in versions 6.9.13.44-1, 7.1.2.19-1
ImageMagick-devel - addressed in versions 6.9.13.44-1, 7.1.2.19-1
ImageMagick-debugsource - addressed in versions 6.9.13.44-1, 7.1.2.19-1
ImageMagick-debuginfo - addressed in versions 6.9.13.44-1, 7.1.2.19-1
ImageMagick-c++-devel - addressed in versions 6.9.13.44-1, 7.1.2.19-1
ImageMagick-c++ - addressed in versions 6.9.13.44-1, 7.1.2.19-1
ImageMagick - addressed in versions 6.9.13.44-1, 7.1.2.19-1
ImageMagick - addressed in versions 6.9.13.49-1.el8, 6.9.13.49-1.el9, 6.9.13.50-1.el8, 6.9.13.50-1.el9
ImageMagick-debuginfo - addressed in versions 7.1.0.9-150400.6.87.1, 7.1.1.21-150600.3.55.1, 7.1.1.43-150700.3.47.1
ImageMagick-config-7-SUSE - addressed in versions 7.1.0.9-150400.6.87.1, 7.1.1.21-150600.3.55.1, 7.1.1.43-150700.3.47.1
libMagick++-7_Q16HDRI5 - addressed in versions 7.1.0.9-150400.6.87.1, 7.1.1.21-150600.3.55.1, 7.1.1.43-150700.3.47.1
libMagick++-7_Q16HDRI5-debuginfo - addressed in versions 7.1.0.9-150400.6.87.1, 7.1.1.21-150600.3.55.1, 7.1.1.43-150700.3.47.1
ImageMagick-debugsource - addressed in versions 7.1.0.9-150400.6.87.1, 7.1.1.21-150600.3.55.1, 7.1.1.43-150700.3.47.1
libMagick++-devel - addressed in versions 7.1.0.9-150400.6.87.1, 7.1.1.21-150600.3.55.1, 7.1.1.43-150700.3.47.1
perl-PerlMagick-debuginfo - addressed in versions 7.1.0.9-150400.6.87.1, 7.1.1.21-150600.3.55.1, 7.1.1.43-150700.3.47.1
ImageMagick-devel - addressed in versions 7.1.0.9-150400.6.87.1, 7.1.1.21-150600.3.55.1, 7.1.1.43-150700.3.47.1
perl-PerlMagick - addressed in versions 7.1.0.9-150400.6.87.1, 7.1.1.21-150600.3.55.1, 7.1.1.43-150700.3.47.1
libMagickWand-7_Q16HDRI10 - addressed in versions 7.1.0.9-150400.6.87.1, 7.1.1.21-150600.3.55.1, 7.1.1.43-150700.3.47.1
ImageMagick - addressed in versions 7.1.0.9-150400.6.87.1, 7.1.1.21-150600.3.55.1, 7.1.1.43-150700.3.47.1
libMagickWand-7_Q16HDRI10-debuginfo - addressed in versions 7.1.0.9-150400.6.87.1, 7.1.1.21-150600.3.55.1, 7.1.1.43-150700.3.47.1
ImageMagick-doc - addressed in versions 7.1.0.9-150400.6.87.1, 7.1.1.21-150600.3.55.1
libMagickCore-7_Q16HDRI10 - addressed in versions 7.1.0.9-150400.6.87.1, 7.1.1.21-150600.3.55.1, 7.1.1.43-150700.3.47.1
ImageMagick-config-7-upstream - update to 7.1.0.9-150400.6.87.1
ImageMagick-extra-debuginfo - addressed in versions 7.1.0.9-150400.6.87.1, 7.1.1.21-150600.3.55.1
libMagickCore-7_Q16HDRI10-debuginfo - addressed in versions 7.1.0.9-150400.6.87.1, 7.1.1.21-150600.3.55.1, 7.1.1.43-150700.3.47.1
ImageMagick-devel-64bit - addressed in versions 7.1.0.9-150400.6.87.1, 7.1.1.21-150600.3.55.1
libMagick++-devel-64bit - addressed in versions 7.1.0.9-150400.6.87.1, 7.1.1.21-150600.3.55.1
libMagickWand-7_Q16HDRI10-64bit-debuginfo - addressed in versions 7.1.0.9-150400.6.87.1, 7.1.1.21-150600.3.55.1
libMagickCore-7_Q16HDRI10-64bit-debuginfo - addressed in versions 7.1.0.9-150400.6.87.1, 7.1.1.21-150600.3.55.1
libMagickWand-7_Q16HDRI10-64bit - addressed in versions 7.1.0.9-150400.6.87.1, 7.1.1.21-150600.3.55.1
libMagick++-7_Q16HDRI5-64bit - addressed in versions 7.1.0.9-150400.6.87.1, 7.1.1.21-150600.3.55.1
libMagickCore-7_Q16HDRI10-64bit - addressed in versions 7.1.0.9-150400.6.87.1, 7.1.1.21-150600.3.55.1
libMagick++-7_Q16HDRI5-64bit-debuginfo - addressed in versions 7.1.0.9-150400.6.87.1, 7.1.1.21-150600.3.55.1
libMagickWand-7_Q16HDRI10-32bit - addressed in versions 7.1.0.9-150400.6.87.1, 7.1.1.21-150600.3.55.1
libMagickCore-7_Q16HDRI10-32bit-debuginfo - addressed in versions 7.1.0.9-150400.6.87.1, 7.1.1.21-150600.3.55.1
libMagick++-devel-32bit - addressed in versions 7.1.0.9-150400.6.87.1, 7.1.1.21-150600.3.55.1
libMagickCore-7_Q16HDRI10-32bit - addressed in versions 7.1.0.9-150400.6.87.1, 7.1.1.21-150600.3.55.1
libMagickWand-7_Q16HDRI10-32bit-debuginfo - addressed in versions 7.1.0.9-150400.6.87.1, 7.1.1.21-150600.3.55.1
ImageMagick-devel-32bit - addressed in versions 7.1.0.9-150400.6.87.1, 7.1.1.21-150600.3.55.1
libMagick++-7_Q16HDRI5-32bit-debuginfo - addressed in versions 7.1.0.9-150400.6.87.1, 7.1.1.21-150600.3.55.1
ImageMagick-extra - addressed in versions 7.1.0.9-150400.6.87.1, 7.1.1.21-150600.3.55.1
libMagick++-7_Q16HDRI5-32bit - addressed in versions 7.1.0.9-150400.6.87.1, 7.1.1.21-150600.3.55.1
ImageMagick-config-7-upstream-secure - addressed in versions 7.1.1.21-150600.3.55.1, 7.1.1.43-150700.3.47.1
ImageMagick-config-7-upstream-limited - addressed in versions 7.1.1.21-150600.3.55.1, 7.1.1.43-150700.3.47.1
ImageMagick-config-7-upstream-websafe - addressed in versions 7.1.1.21-150600.3.55.1, 7.1.1.43-150700.3.47.1
ImageMagick-config-7-upstream-open - addressed in versions 7.1.1.21-150600.3.55.1, 7.1.1.43-150700.3.47.1
ImageMagick-doc - update to 7.1.2.15-8
ImageMagick-perl - update to 7.1.2.15-8
ImageMagick-libs - update to 7.1.2.15-8
ImageMagick-djvu - update to 7.1.2.15-8
ImageMagick-c++-devel - update to 7.1.2.15-8
ImageMagick-c++ - update to 7.1.2.15-8
ImageMagick - update to 7.1.2.15-8
ImageMagick-devel - update to 7.1.2.15-8

External References

Related Security Bulletins