Memory leak in ImageMagick - CVE-2026-25637

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Main Vulnerability Database Vulnerabilities #VU123227

Memory leak in ImageMagick - CVE-2026-25637

Published: February 25, 2026


Vulnerability identifier: #VU123227
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-2026-25637
CWE-ID: CWE-401
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due memory leak in the ASHLAR image writer. A remote attacker can force the application to leak memory and perform denial of service 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 Server 15
SUSE Linux Enterprise High Performance Computing ESPOS 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-debugsource
ImageMagick-devel
ImageMagick-perl
ImageMagick-help
ImageMagick-debuginfo
ImageMagick-c++-devel
ImageMagick-c++
ImageMagick
libMagickWand-7_Q16HDRI10
ImageMagick-config-7-upstream
perl-PerlMagick-debuginfo
libMagickCore-7_Q16HDRI10-debuginfo
libMagickCore-7_Q16HDRI10
libMagick++-devel
perl-PerlMagick
libMagick++-7_Q16HDRI5
libMagickCore-7_Q16HDRI10-64bit
libMagick++-7_Q16HDRI5-32bit-debuginfo
libMagick++-7_Q16HDRI5-64bit
libMagickCore-7_Q16HDRI10-64bit-debuginfo
libMagickWand-7_Q16HDRI10-64bit-debuginfo
libMagickWand-7_Q16HDRI10-64bit
libMagick++-devel-64bit
libMagick++-7_Q16HDRI5-64bit-debuginfo
ImageMagick-devel-64bit
ImageMagick-doc
libMagick++-7_Q16HDRI5-32bit
ImageMagick-devel-32bit
libMagickWand-7_Q16HDRI10-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-extra-debuginfo
libMagick++-7_Q16HDRI5-debuginfo
ImageMagick-config-7-SUSE
ImageMagick-config-7-upstream-limited
ImageMagick-config-7-upstream-websafe
ImageMagick-config-7-upstream-open
ImageMagick-config-7-upstream-secure
imagemagick (Debian package)
ImageMagick-libs
ImageMagick-djvu

How to mitigate CVE-2026-25637

Install updates from vendor's website.

ImageMagick - update to 7.1.2-15
imagemagick (Ubuntu package) - addressed in versions 8:6.7.7.10-6ubuntu3.13+esm21, 8:6.8.9.9-7ubuntu5.16+esm20, 8:6.9.7.4+dfsg-16ubuntu6.15+esm12, 8:6.9.10.23+dfsg-2.1ubuntu11.11+esm10, 8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm10, 8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm9, 8:7.1.2.3+dfsg1-1ubuntu0.1
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
ImageMagick-debuginfo - 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-c++ - addressed in versions 6.9.13.40-1, 7.1.2.15-1
ImageMagick - addressed in versions 6.9.13.40-1, 7.1.2.15-1
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
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
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-config-7-upstream - update to 7.1.0.9-150400.6.68.2
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
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
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 - 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-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
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_Q16HDRI5-32bit-debuginfo - 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
libMagickCore-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-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
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
libMagick++-7_Q16HDRI5-32bit - 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
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
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-extra-debuginfo - addressed in versions 7.1.0.9-150400.6.68.2, 7.1.1.21-150600.3.42.2
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
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
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 (Debian package) - update to 8:7.1.1.43+dfsg1-1+deb13u6
ImageMagick-perl - update to 7.1.2.15-1
ImageMagick-libs - update to 7.1.2.15-1
ImageMagick-doc - update to 7.1.2.15-1
ImageMagick-djvu - update to 7.1.2.15-1
ImageMagick-devel - update to 7.1.2.15-1
ImageMagick-c++-devel - update to 7.1.2.15-1
ImageMagick-c++ - update to 7.1.2.15-1
ImageMagick - update to 7.1.2.15-1

External References

Related Security Bulletins