Access of Uninitialized Pointer in ImageMagick - CVE-2026-28691

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Main Vulnerability Database Vulnerabilities #VU123899

Access of Uninitialized Pointer in ImageMagick - CVE-2026-28691

Published: March 11, 2026


Vulnerability identifier: #VU123899
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-2026-28691
CWE-ID: CWE-824
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to uninitialized pointer dereference in the JBIG decoder. A remote attacker can perform a denial of service (DoS) attack on the system.


Affected software

ImageMagick
SUSE Linux Enterprise Server 15 SP6
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise Server 12 SP5
Debian Linux
SUSE Linux Enterprise Server 15 SP5
SUSE Linux Enterprise Server 15 SP4
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Real Time 15
Ubuntu
Desktop Applications Module
SUSE Package Hub 15
Development Tools Module
openSUSE Leap
openEuler
libGraphicsMagick-Q16-3
GraphicsMagick
GraphicsMagick-debugsource
GraphicsMagick-devel
perl-GraphicsMagick-debuginfo
libGraphicsMagick-Q16-3-debuginfo
libGraphicsMagickWand-Q16-2
perl-GraphicsMagick
libGraphicsMagick3-config
libGraphicsMagick++-Q16-12
GraphicsMagick-debuginfo
libGraphicsMagick++-devel
libGraphicsMagick++-Q16-12-debuginfo
libGraphicsMagickWand-Q16-2-debuginfo
imagemagick (Ubuntu package)
ImageMagick-config-6-upstream
libMagickCore-6_Q16-1-debuginfo
libMagickWand-6_Q16-1-debuginfo
libMagickCore-6_Q16-1
ImageMagick-debuginfo
ImageMagick-config-6-SUSE
ImageMagick-devel
libMagickWand-6_Q16-1
libMagick++-devel
ImageMagick-debugsource
ImageMagick (Red Hat package)
imagemagick (Debian package)
ImageMagick-help
ImageMagick
ImageMagick-c++
ImageMagick-c++-devel
ImageMagick-perl
libMagick++-7_Q16HDRI5-debuginfo
libMagickWand-7_Q16HDRI10
libMagickWand-7_Q16HDRI10-debuginfo
ImageMagick-extra
libMagick++-7_Q16HDRI5
libMagickCore-7_Q16HDRI10-debuginfo
perl-PerlMagick
perl-PerlMagick-debuginfo
ImageMagick-extra-debuginfo
libMagickCore-7_Q16HDRI10-64bit-debuginfo
libMagick++-devel-64bit
libMagickWand-7_Q16HDRI10-64bit-debuginfo
libMagickCore-7_Q16HDRI10
ImageMagick-devel-64bit
libMagick++-7_Q16HDRI5-64bit-debuginfo
libMagick++-7_Q16HDRI5-64bit
libMagickWand-7_Q16HDRI10-64bit
libMagickCore-7_Q16HDRI10-64bit
ImageMagick-doc
ImageMagick-devel-32bit
libMagickCore-7_Q16HDRI10-32bit
ImageMagick-config-7-upstream
ImageMagick-config-7-SUSE
libMagick++-7_Q16HDRI5-32bit
libMagick++-7_Q16HDRI5-32bit-debuginfo
libMagickCore-7_Q16HDRI10-32bit-debuginfo
libMagickWand-7_Q16HDRI10-32bit
libMagickWand-7_Q16HDRI10-32bit-debuginfo
libMagick++-devel-32bit
ImageMagick-config-7-upstream-websafe
ImageMagick-config-7-upstream-secure
ImageMagick-config-7-upstream-open
ImageMagick-config-7-upstream-limited

How to mitigate CVE-2026-28691

Install updates from vendor's website.

ImageMagick - addressed in versions 6.9.13-41, 7.1.2-16
libGraphicsMagick-Q16-3 - update to 1.3.42-150600.3.15.1
GraphicsMagick - update to 1.3.42-150600.3.15.1
GraphicsMagick-debugsource - update to 1.3.42-150600.3.15.1
GraphicsMagick-devel - update to 1.3.42-150600.3.15.1
perl-GraphicsMagick-debuginfo - update to 1.3.42-150600.3.15.1
libGraphicsMagick-Q16-3-debuginfo - update to 1.3.42-150600.3.15.1
libGraphicsMagickWand-Q16-2 - update to 1.3.42-150600.3.15.1
perl-GraphicsMagick - update to 1.3.42-150600.3.15.1
libGraphicsMagick3-config - update to 1.3.42-150600.3.15.1
libGraphicsMagick++-Q16-12 - update to 1.3.42-150600.3.15.1
GraphicsMagick-debuginfo - update to 1.3.42-150600.3.15.1
libGraphicsMagick++-devel - update to 1.3.42-150600.3.15.1
libGraphicsMagick++-Q16-12-debuginfo - update to 1.3.42-150600.3.15.1
libGraphicsMagickWand-Q16-2-debuginfo - update to 1.3.42-150600.3.15.1
imagemagick (Ubuntu package) - addressed in versions 8:6.7.7.10-6ubuntu3.13+esm22, 8:6.8.9.9-7ubuntu5.16+esm21, 8:6.9.7.4+dfsg-16ubuntu6.15+esm13, 8:6.9.10.23+dfsg-2.1ubuntu11.11+esm11, 8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm11, 8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm10
ImageMagick-config-6-upstream - update to 6.8.8.1-71.236.1
libMagickCore-6_Q16-1-debuginfo - update to 6.8.8.1-71.236.1
libMagickWand-6_Q16-1-debuginfo - update to 6.8.8.1-71.236.1
libMagickCore-6_Q16-1 - update to 6.8.8.1-71.236.1
ImageMagick-debuginfo - addressed in versions 6.8.8.1-71.236.1, 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-6-SUSE - update to 6.8.8.1-71.236.1
ImageMagick-devel - addressed in versions 6.8.8.1-71.236.1, 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-6_Q16-1 - update to 6.8.8.1-71.236.1
libMagick++-devel - addressed in versions 6.8.8.1-71.236.1, 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 6.8.8.1-71.236.1, 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 (Red Hat package) - update to 6.9.10.68-15.el7_9
imagemagick (Debian package) - addressed in versions 8:6.9.11.60+dfsg-1.6+deb12u8, 8:7.1.1.43+dfsg1-1+deb13u7
ImageMagick-help - addressed in versions 6.9.13.41-1, 7.1.2.16-1
ImageMagick - addressed in versions 6.9.13.41-1, 7.1.2.16-1
ImageMagick-c++ - addressed in versions 6.9.13.41-1, 7.1.2.16-1
ImageMagick-c++-devel - addressed in versions 6.9.13.41-1, 7.1.2.16-1
ImageMagick-debuginfo - addressed in versions 6.9.13.41-1, 7.1.2.16-1
ImageMagick-debugsource - addressed in versions 6.9.13.41-1, 7.1.2.16-1
ImageMagick-devel - addressed in versions 6.9.13.41-1, 7.1.2.16-1
ImageMagick-perl - addressed in versions 6.9.13.41-1, 7.1.2.16-1
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
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
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
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
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-extra-debuginfo - 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
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
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-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 - addressed in versions 7.1.0.9-150400.6.75.1, 7.1.1.21-150600.3.50.1
ImageMagick-doc - 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
libMagickCore-7_Q16HDRI10-32bit - addressed in versions 7.1.0.9-150400.6.75.1, 7.1.1.21-150600.3.50.1
ImageMagick-config-7-upstream - update to 7.1.0.9-150400.6.75.1
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
libMagick++-7_Q16HDRI5-32bit - 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
libMagickCore-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
libMagickWand-7_Q16HDRI10-32bit-debuginfo - 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
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-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-open - addressed in versions 7.1.1.21-150600.3.50.1, 7.1.1.43-150700.3.42.1
ImageMagick-config-7-upstream-limited - addressed in versions 7.1.1.21-150600.3.50.1, 7.1.1.43-150700.3.42.1

External References

Related Security Bulletins