Use-after-free in ImageMagick - CVE-2026-93586

Vulnerability identifier: #VU147194

CSH Severity: Low

CVSS v4: 2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-93586

CWE-ID: CWE-416

Exploitation vector: Local access

Exploit availability: No public exploit available

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

The vulnerability exists due to use-after-free in the ImagesToBlob method when processing images. A remote attacker can trigger the use-after-free condition to cause a denial of service.

ImageMagick
SUSE Linux Enterprise Server 15 SP6
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
Ubuntu
openSUSE Leap
SUSE Linux Enterprise Server
SUSE Linux Enterprise Server for SAP Applications
libMagick++-devel-64bit
ImageMagick-extra-debuginfo
ImageMagick-devel-32bit
libMagick++-7_Q16HDRI5-32bit-debuginfo
libMagickCore-7_Q16HDRI10-32bit
libMagickCore-7_Q16HDRI10-32bit-debuginfo
libMagickWand-7_Q16HDRI10-32bit-debuginfo
libMagick++-devel-32bit
libMagickWand-7_Q16HDRI10-32bit
libMagick++-7_Q16HDRI5-32bit
libMagick++-7_Q16HDRI5
ImageMagick-devel-64bit
libMagickCore-7_Q16HDRI10-64bit
libMagickWand-7_Q16HDRI10-64bit-debuginfo
libMagick++-7_Q16HDRI5-64bit-debuginfo
libMagickWand-7_Q16HDRI10-64bit
libMagickCore-7_Q16HDRI10-64bit-debuginfo
libMagick++-7_Q16HDRI5-64bit
ImageMagick-doc
ImageMagick-config-7-upstream-secure
ImageMagick-extra
ImageMagick-config-7-upstream-open
ImageMagick-debuginfo
libMagickCore-7_Q16HDRI10
libMagickWand-7_Q16HDRI10
libMagick++-7_Q16HDRI5-debuginfo
ImageMagick-devel
libMagick++-devel
perl-PerlMagick
libMagickCore-7_Q16HDRI10-debuginfo
ImageMagick-config-7-upstream-websafe
ImageMagick-debugsource
perl-PerlMagick-debuginfo
ImageMagick-config-7-upstream-limited
ImageMagick
ImageMagick-config-7-SUSE
libMagickWand-7_Q16HDRI10-debuginfo
imagemagick (Ubuntu package)

Install security update from vendor's website.

ImageMagick - addressed in versions 6.9.13-56, 7.1.2-31
libMagick++-devel-64bit - update to 7.1.1.21-150600.3.87.1
ImageMagick-extra-debuginfo - addressed in versions 7.1.1.21-150600.3.87.1, 7.1.2.0-160000.16.1
ImageMagick-devel-32bit - update to 7.1.1.21-150600.3.87.1
libMagick++-7_Q16HDRI5-32bit-debuginfo - update to 7.1.1.21-150600.3.87.1
libMagickCore-7_Q16HDRI10-32bit - update to 7.1.1.21-150600.3.87.1
libMagickCore-7_Q16HDRI10-32bit-debuginfo - update to 7.1.1.21-150600.3.87.1
libMagickWand-7_Q16HDRI10-32bit-debuginfo - update to 7.1.1.21-150600.3.87.1
libMagick++-devel-32bit - update to 7.1.1.21-150600.3.87.1
libMagickWand-7_Q16HDRI10-32bit - update to 7.1.1.21-150600.3.87.1
libMagick++-7_Q16HDRI5-32bit - update to 7.1.1.21-150600.3.87.1
libMagick++-7_Q16HDRI5 - addressed in versions 7.1.1.21-150600.3.87.1, 7.1.2.0-160000.16.1
ImageMagick-devel-64bit - update to 7.1.1.21-150600.3.87.1
libMagickCore-7_Q16HDRI10-64bit - update to 7.1.1.21-150600.3.87.1
libMagickWand-7_Q16HDRI10-64bit-debuginfo - update to 7.1.1.21-150600.3.87.1
libMagick++-7_Q16HDRI5-64bit-debuginfo - update to 7.1.1.21-150600.3.87.1
libMagickWand-7_Q16HDRI10-64bit - update to 7.1.1.21-150600.3.87.1
libMagickCore-7_Q16HDRI10-64bit-debuginfo - update to 7.1.1.21-150600.3.87.1
libMagick++-7_Q16HDRI5-64bit - update to 7.1.1.21-150600.3.87.1
ImageMagick-doc - addressed in versions 7.1.1.21-150600.3.87.1, 7.1.2.0-160000.16.1
ImageMagick-config-7-upstream-secure - addressed in versions 7.1.1.21-150600.3.87.1, 7.1.2.0-160000.16.1
ImageMagick-extra - addressed in versions 7.1.1.21-150600.3.87.1, 7.1.2.0-160000.16.1
ImageMagick-config-7-upstream-open - addressed in versions 7.1.1.21-150600.3.87.1, 7.1.2.0-160000.16.1
ImageMagick-debuginfo - addressed in versions 7.1.1.21-150600.3.87.1, 7.1.2.0-160000.16.1
libMagickCore-7_Q16HDRI10 - addressed in versions 7.1.1.21-150600.3.87.1, 7.1.2.0-160000.16.1
libMagickWand-7_Q16HDRI10 - addressed in versions 7.1.1.21-150600.3.87.1, 7.1.2.0-160000.16.1
libMagick++-7_Q16HDRI5-debuginfo - addressed in versions 7.1.1.21-150600.3.87.1, 7.1.2.0-160000.16.1
ImageMagick-devel - addressed in versions 7.1.1.21-150600.3.87.1, 7.1.2.0-160000.16.1
libMagick++-devel - addressed in versions 7.1.1.21-150600.3.87.1, 7.1.2.0-160000.16.1
perl-PerlMagick - addressed in versions 7.1.1.21-150600.3.87.1, 7.1.2.0-160000.16.1
libMagickCore-7_Q16HDRI10-debuginfo - addressed in versions 7.1.1.21-150600.3.87.1, 7.1.2.0-160000.16.1
ImageMagick-config-7-upstream-websafe - addressed in versions 7.1.1.21-150600.3.87.1, 7.1.2.0-160000.16.1
ImageMagick-debugsource - addressed in versions 7.1.1.21-150600.3.87.1, 7.1.2.0-160000.16.1
perl-PerlMagick-debuginfo - addressed in versions 7.1.1.21-150600.3.87.1, 7.1.2.0-160000.16.1
ImageMagick-config-7-upstream-limited - addressed in versions 7.1.1.21-150600.3.87.1, 7.1.2.0-160000.16.1
ImageMagick - addressed in versions 7.1.1.21-150600.3.87.1, 7.1.2.0-160000.16.1
ImageMagick-config-7-SUSE - addressed in versions 7.1.1.21-150600.3.87.1, 7.1.2.0-160000.16.1
libMagickWand-7_Q16HDRI10-debuginfo - addressed in versions 7.1.1.21-150600.3.87.1, 7.1.2.0-160000.16.1
imagemagick (Ubuntu package) - addressed in versions 8:6.7.7.10-6ubuntu3.13+esm27, 8:6.8.9.9-7ubuntu5.16+esm26, 8:6.9.7.4+dfsg-16ubuntu6.15+esm18, 8:6.9.10.23+dfsg-2.1ubuntu11.11+esm16, 8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm16, 8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm15, 8:7.1.2.18+dfsg1-1ubuntu0.1~esm4

• https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-3rjr-534c-8v67

• Multiple vulnerabilities in ImageMagick
• SUSE update for ImageMagick
• SUSE update for ImageMagick
• Ubuntu update for imagemagick