NULL pointer dereference in ImageMagick - CVE-2026-25798

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Main Vulnerability Database Vulnerabilities #VU123604

NULL pointer dereference in ImageMagick - CVE-2026-25798

Published: March 6, 2026 / Updated: March 6, 2026


Vulnerability identifier: #VU123604
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-2026-25798
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to a NULL pointer dereference error in ClonePixelCacheRepository. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.


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

How to mitigate CVE-2026-25798

Install updates from vendor's website.

ImageMagick - addressed in versions 6.9.13-40, 7.1.2-15
imagemagick (Ubuntu package) - addressed in versions 8:6.7.7.10-6ubuntu3.13+esm20, 8:6.7.7.10-6ubuntu3.13+esm21, 8:6.8.9.9-7ubuntu5.16+esm19, 8:6.8.9.9-7ubuntu5.16+esm20, 8:6.9.7.4+dfsg-16ubuntu6.15+esm11, 8:6.9.7.4+dfsg-16ubuntu6.15+esm12, 8:6.9.10.23+dfsg-2.1ubuntu11.11+esm9, 8:6.9.10.23+dfsg-2.1ubuntu11.11+esm10, 8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm9, 8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm10, 8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm8, 8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm9, 8:7.1.2.3+dfsg1-1ubuntu0.1
imagemagick (Debian package) - addressed in versions 8:6.9.11.60+dfsg-1.6+deb12u7, 8:7.1.1.43+dfsg1-1+deb13u6
ImageMagick - addressed in versions 6.9.13.40-1, 7.1.2.15-1
ImageMagick-c++ - addressed in versions 6.9.13.40-1, 7.1.2.15-1
ImageMagick-c++-devel - addressed in versions 6.9.13.40-1, 7.1.2.15-1
ImageMagick-debuginfo - addressed in versions 6.9.13.40-1, 7.1.2.15-1
ImageMagick-debugsource - addressed in versions 6.9.13.40-1, 7.1.2.15-1
ImageMagick-devel - addressed in versions 6.9.13.40-1, 7.1.2.15-1
ImageMagick-perl - addressed in versions 6.9.13.40-1, 7.1.2.15-1
ImageMagick-help - addressed in versions 6.9.13.40-1, 7.1.2.15-1
perl-PerlMagick-debuginfo - addressed in versions 7.1.0.9-150400.6.68.2, 7.1.1.21-150600.3.42.2, 7.1.1.43-150700.3.37.1
libMagickWand-7_Q16HDRI10-debuginfo - addressed in versions 7.1.0.9-150400.6.68.2, 7.1.1.21-150600.3.42.2, 7.1.1.43-150700.3.37.1
ImageMagick-config-7-SUSE - addressed in versions 7.1.0.9-150400.6.68.2, 7.1.1.21-150600.3.42.2, 7.1.1.43-150700.3.37.1
libMagick++-7_Q16HDRI5-debuginfo - addressed in versions 7.1.0.9-150400.6.68.2, 7.1.1.21-150600.3.42.2, 7.1.1.43-150700.3.37.1
libMagickWand-7_Q16HDRI10 - addressed in versions 7.1.0.9-150400.6.68.2, 7.1.1.21-150600.3.42.2, 7.1.1.43-150700.3.37.1
ImageMagick-debuginfo - addressed in versions 7.1.0.9-150400.6.68.2, 7.1.1.21-150600.3.42.2, 7.1.1.43-150700.3.37.1
ImageMagick - addressed in versions 7.1.0.9-150400.6.68.2, 7.1.1.21-150600.3.42.2, 7.1.1.43-150700.3.37.1
libMagickCore-7_Q16HDRI10-debuginfo - addressed in versions 7.1.0.9-150400.6.68.2, 7.1.1.21-150600.3.42.2, 7.1.1.43-150700.3.37.1
libMagickCore-7_Q16HDRI10 - addressed in versions 7.1.0.9-150400.6.68.2, 7.1.1.21-150600.3.42.2, 7.1.1.43-150700.3.37.1
libMagick++-devel - addressed in versions 7.1.0.9-150400.6.68.2, 7.1.1.21-150600.3.42.2, 7.1.1.43-150700.3.37.1
libMagickCore-7_Q16HDRI10-64bit-debuginfo - addressed in versions 7.1.0.9-150400.6.68.2, 7.1.1.21-150600.3.42.2
perl-PerlMagick - addressed in versions 7.1.0.9-150400.6.68.2, 7.1.1.21-150600.3.42.2, 7.1.1.43-150700.3.37.1
libMagick++-7_Q16HDRI5-32bit - addressed in versions 7.1.0.9-150400.6.68.2, 7.1.1.21-150600.3.42.2
libMagick++-7_Q16HDRI5-64bit - addressed in versions 7.1.0.9-150400.6.68.2, 7.1.1.21-150600.3.42.2
libMagickWand-7_Q16HDRI10-64bit-debuginfo - addressed in versions 7.1.0.9-150400.6.68.2, 7.1.1.21-150600.3.42.2
libMagickWand-7_Q16HDRI10-64bit - addressed in versions 7.1.0.9-150400.6.68.2, 7.1.1.21-150600.3.42.2
libMagick++-devel-64bit - addressed in versions 7.1.0.9-150400.6.68.2, 7.1.1.21-150600.3.42.2
libMagickCore-7_Q16HDRI10-64bit - addressed in versions 7.1.0.9-150400.6.68.2, 7.1.1.21-150600.3.42.2
libMagick++-7_Q16HDRI5-64bit-debuginfo - addressed in versions 7.1.0.9-150400.6.68.2, 7.1.1.21-150600.3.42.2
ImageMagick-devel-64bit - addressed in versions 7.1.0.9-150400.6.68.2, 7.1.1.21-150600.3.42.2
ImageMagick-doc - addressed in versions 7.1.0.9-150400.6.68.2, 7.1.1.21-150600.3.42.2
ImageMagick-extra-debuginfo - addressed in versions 7.1.0.9-150400.6.68.2, 7.1.1.21-150600.3.42.2
ImageMagick-devel-32bit - addressed in versions 7.1.0.9-150400.6.68.2, 7.1.1.21-150600.3.42.2
libMagick++-7_Q16HDRI5-32bit-debuginfo - addressed in versions 7.1.0.9-150400.6.68.2, 7.1.1.21-150600.3.42.2
libMagickWand-7_Q16HDRI10-32bit - addressed in versions 7.1.0.9-150400.6.68.2, 7.1.1.21-150600.3.42.2
libMagickWand-7_Q16HDRI10-32bit-debuginfo - addressed in versions 7.1.0.9-150400.6.68.2, 7.1.1.21-150600.3.42.2
libMagickCore-7_Q16HDRI10-32bit-debuginfo - addressed in versions 7.1.0.9-150400.6.68.2, 7.1.1.21-150600.3.42.2
libMagick++-devel-32bit - addressed in versions 7.1.0.9-150400.6.68.2, 7.1.1.21-150600.3.42.2
libMagickCore-7_Q16HDRI10-32bit - addressed in versions 7.1.0.9-150400.6.68.2, 7.1.1.21-150600.3.42.2
ImageMagick-extra - addressed in versions 7.1.0.9-150400.6.68.2, 7.1.1.21-150600.3.42.2
ImageMagick-devel - addressed in versions 7.1.0.9-150400.6.68.2, 7.1.1.21-150600.3.42.2, 7.1.1.43-150700.3.37.1
ImageMagick-debugsource - addressed in versions 7.1.0.9-150400.6.68.2, 7.1.1.21-150600.3.42.2, 7.1.1.43-150700.3.37.1
ImageMagick-config-7-upstream - update to 7.1.0.9-150400.6.68.2
libMagick++-7_Q16HDRI5 - addressed in versions 7.1.0.9-150400.6.68.2, 7.1.1.21-150600.3.42.2, 7.1.1.43-150700.3.37.1
ImageMagick-config-7-upstream-limited - addressed in versions 7.1.1.21-150600.3.42.2, 7.1.1.43-150700.3.37.1
ImageMagick-config-7-upstream-websafe - addressed in versions 7.1.1.21-150600.3.42.2, 7.1.1.43-150700.3.37.1
ImageMagick-config-7-upstream-open - addressed in versions 7.1.1.21-150600.3.42.2, 7.1.1.43-150700.3.37.1
ImageMagick-config-7-upstream-secure - addressed in versions 7.1.1.21-150600.3.42.2, 7.1.1.43-150700.3.37.1
ImageMagick - update to 7.1.2.15-1
ImageMagick-c++ - update to 7.1.2.15-1
ImageMagick-c++-devel - update to 7.1.2.15-1
ImageMagick-devel - update to 7.1.2.15-1
ImageMagick-djvu - update to 7.1.2.15-1
ImageMagick-doc - update to 7.1.2.15-1
ImageMagick-libs - update to 7.1.2.15-1
ImageMagick-perl - update to 7.1.2.15-1

External References

Related Security Bulletins