Use-after-free in ImageMagick - CVE-2026-56373

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU123262

Use-after-free in ImageMagick - CVE-2026-56373

Published: February 25, 2026 / Updated: September 14, 2026


Vulnerability identifier: #VU123262
CSH Severity: Medium
CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-56373
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in the PDB decoder. A remote attacker can perform a denial of service (DoS) attack.


Affected software

ImageMagick
SUSE Linux Enterprise Server 15 SP6
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Real Time 15
Ubuntu
Development Tools Module
Desktop Applications Module
openSUSE Leap
openEuler
imagemagick (Ubuntu package)
ImageMagick-config-6-SUSE
ImageMagick-config-6-upstream
ImageMagick-debuginfo
ImageMagick-devel
libMagickCore-6_Q16-1-debuginfo
ImageMagick-debugsource
libMagickWand-6_Q16-1
libMagickWand-6_Q16-1-debuginfo
libMagickCore-6_Q16-1
libMagick++-devel
ImageMagick-c++
ImageMagick
ImageMagick-c++-devel
ImageMagick-perl
ImageMagick-help
libMagickCore-7_Q16HDRI10-32bit
ImageMagick-devel-32bit
libMagick++-7_Q16HDRI5-32bit-debuginfo
libMagick++-devel-32bit
libMagickWand-7_Q16HDRI10-debuginfo
libMagickCore-7_Q16HDRI10
libMagickWand-7_Q16HDRI10
ImageMagick-config-7-SUSE
ImageMagick-config-7-upstream
ImageMagick-extra-debuginfo
perl-PerlMagick
libMagick++-7_Q16HDRI5
libMagickCore-7_Q16HDRI10-32bit-debuginfo
libMagickWand-7_Q16HDRI10-32bit
libMagick++-7_Q16HDRI5-32bit
libMagickWand-7_Q16HDRI10-32bit-debuginfo
libMagickWand-7_Q16HDRI10-64bit-debuginfo
libMagickCore-7_Q16HDRI10-64bit
libMagick++-7_Q16HDRI5-64bit-debuginfo
libMagick++-7_Q16HDRI5-64bit
libMagickCore-7_Q16HDRI10-64bit-debuginfo
libMagick++-devel-64bit
ImageMagick-devel-64bit
libMagickWand-7_Q16HDRI10-64bit
ImageMagick-doc
ImageMagick-extra
perl-PerlMagick-debuginfo
libMagickCore-7_Q16HDRI10-debuginfo
libMagick++-7_Q16HDRI5-debuginfo
ImageMagick-config-7-upstream-secure
ImageMagick-config-7-upstream-websafe
ImageMagick-config-7-upstream-open
ImageMagick-config-7-upstream-limited

How to mitigate CVE-2026-56373

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+esm25, 8:6.8.9.9-7ubuntu5.16+esm24, 8:6.9.7.4+dfsg-16ubuntu6.15+esm16, 8:6.9.10.23+dfsg-2.1ubuntu11.11+esm14, 8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm14, 8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm13, 8:7.1.2.18+dfsg1-1ubuntu0.1~esm2
ImageMagick-config-6-SUSE - update to 6.8.8.1-71.264.1
ImageMagick-config-6-upstream - update to 6.8.8.1-71.264.1
ImageMagick-debuginfo - addressed in versions 6.8.8.1-71.264.1, 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-devel - addressed in versions 6.8.8.1-71.264.1, 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-6_Q16-1-debuginfo - update to 6.8.8.1-71.264.1
ImageMagick-debugsource - addressed in versions 6.8.8.1-71.264.1, 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-6_Q16-1 - update to 6.8.8.1-71.264.1
libMagickWand-6_Q16-1-debuginfo - update to 6.8.8.1-71.264.1
libMagickCore-6_Q16-1 - update to 6.8.8.1-71.264.1
libMagick++-devel - addressed in versions 6.8.8.1-71.264.1, 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-c++ - addressed in versions 6.9.13.52-1, 7.1.2.27-1
ImageMagick - addressed in versions 6.9.13.52-1, 7.1.2.27-1
ImageMagick-c++-devel - addressed in versions 6.9.13.52-1, 7.1.2.27-1
ImageMagick-debuginfo - addressed in versions 6.9.13.52-1, 7.1.2.27-1
ImageMagick-debugsource - addressed in versions 6.9.13.52-1, 7.1.2.27-1
ImageMagick-devel - addressed in versions 6.9.13.52-1, 7.1.2.27-1
ImageMagick-perl - addressed in versions 6.9.13.52-1, 7.1.2.27-1
ImageMagick-help - addressed in versions 6.9.13.52-1, 7.1.2.27-1
libMagickCore-7_Q16HDRI10-32bit - addressed in versions 7.1.0.9-150400.6.101.1, 7.1.1.21-150600.3.80.2
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
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
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 - 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-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
ImageMagick-config-7-upstream - update to 7.1.0.9-150400.6.101.1
ImageMagick-extra-debuginfo - addressed in versions 7.1.0.9-150400.6.101.1, 7.1.1.21-150600.3.80.2
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
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_Q16HDRI10-32bit-debuginfo - addressed in versions 7.1.0.9-150400.6.101.1, 7.1.1.21-150600.3.80.2
libMagickWand-7_Q16HDRI10-32bit - 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
libMagickWand-7_Q16HDRI10-32bit-debuginfo - 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
libMagickCore-7_Q16HDRI10-64bit - 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
libMagick++-7_Q16HDRI5-64bit - 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++-devel-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
libMagickWand-7_Q16HDRI10-64bit - 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
ImageMagick-extra - addressed in versions 7.1.0.9-150400.6.101.1, 7.1.1.21-150600.3.80.2
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
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
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
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

External References

Related Security Bulletins