Out-of-bounds read in ImageMagick - CVE-2026-56374

Vulnerability identifier: #VU125878

CSH Severity: Low

CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-56374

CWE-ID: CWE-125

Exploitation vector: Remote access

Exploit availability: No public exploit available

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

The vulnerability exists due to out-of-bounds read in the FTXT encoder when parsing the ftxt:format value. A remote attacker can provide a specially crafted input to cause a denial of service.

User interaction is required to process the crafted input.

ImageMagick
SUSE Linux Enterprise Server 15 SP6
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Real Time 15
Desktop Applications Module
Development Tools Module
openSUSE Leap
Anolis OS
ImageMagick-config-7-upstream-open
perl-PerlMagick
ImageMagick-config-7-upstream-websafe
libMagick++-devel
ImageMagick-config-7-SUSE
libMagick++-7_Q16HDRI5-debuginfo
ImageMagick
ImageMagick-debugsource
perl-PerlMagick-debuginfo
libMagickCore-7_Q16HDRI10-debuginfo
libMagickWand-7_Q16HDRI10-debuginfo
libMagickWand-7_Q16HDRI10
ImageMagick-debuginfo
ImageMagick-config-7-upstream-limited
libMagickCore-7_Q16HDRI10
ImageMagick-config-7-upstream-secure
ImageMagick-devel
ImageMagick-extra
ImageMagick-extra-debuginfo
libMagick++-devel-32bit
libMagickCore-7_Q16HDRI10-64bit-debuginfo
libMagick++-7_Q16HDRI5-64bit-debuginfo
libMagick++-7_Q16HDRI5-64bit
libMagickWand-7_Q16HDRI10-64bit-debuginfo
libMagickWand-7_Q16HDRI10-64bit
libMagick++-devel-64bit
ImageMagick-devel-64bit
libMagickCore-7_Q16HDRI10-64bit
ImageMagick-doc
ImageMagick-devel-32bit
libMagickCore-7_Q16HDRI10-32bit
libMagickWand-7_Q16HDRI10-32bit
libMagickCore-7_Q16HDRI10-32bit-debuginfo
libMagick++-7_Q16HDRI5-32bit
libMagickWand-7_Q16HDRI10-32bit-debuginfo
libMagick++-7_Q16HDRI5-32bit-debuginfo
libMagick++-7_Q16HDRI5
ImageMagick-c++
ImageMagick-c++-devel
ImageMagick-djvu
ImageMagick-libs
ImageMagick-perl

Install security update from vendor's website.

ImageMagick - update to 7.1.2-19
ImageMagick-config-7-upstream-open - addressed in versions 7.1.1.21-150600.3.73.1, 7.1.1.43-150700.3.65.1
perl-PerlMagick - addressed in versions 7.1.1.21-150600.3.73.1, 7.1.1.43-150700.3.65.1
ImageMagick-config-7-upstream-websafe - addressed in versions 7.1.1.21-150600.3.73.1, 7.1.1.43-150700.3.65.1
libMagick++-devel - addressed in versions 7.1.1.21-150600.3.73.1, 7.1.1.43-150700.3.65.1
ImageMagick-config-7-SUSE - addressed in versions 7.1.1.21-150600.3.73.1, 7.1.1.43-150700.3.65.1
libMagick++-7_Q16HDRI5-debuginfo - addressed in versions 7.1.1.21-150600.3.73.1, 7.1.1.43-150700.3.65.1
ImageMagick - addressed in versions 7.1.1.21-150600.3.73.1, 7.1.1.43-150700.3.65.1
ImageMagick-debugsource - addressed in versions 7.1.1.21-150600.3.73.1, 7.1.1.43-150700.3.65.1
perl-PerlMagick-debuginfo - addressed in versions 7.1.1.21-150600.3.73.1, 7.1.1.43-150700.3.65.1
libMagickCore-7_Q16HDRI10-debuginfo - addressed in versions 7.1.1.21-150600.3.73.1, 7.1.1.43-150700.3.65.1
libMagickWand-7_Q16HDRI10-debuginfo - addressed in versions 7.1.1.21-150600.3.73.1, 7.1.1.43-150700.3.65.1
libMagickWand-7_Q16HDRI10 - addressed in versions 7.1.1.21-150600.3.73.1, 7.1.1.43-150700.3.65.1
ImageMagick-debuginfo - addressed in versions 7.1.1.21-150600.3.73.1, 7.1.1.43-150700.3.65.1
ImageMagick-config-7-upstream-limited - addressed in versions 7.1.1.21-150600.3.73.1, 7.1.1.43-150700.3.65.1
libMagickCore-7_Q16HDRI10 - addressed in versions 7.1.1.21-150600.3.73.1, 7.1.1.43-150700.3.65.1
ImageMagick-config-7-upstream-secure - addressed in versions 7.1.1.21-150600.3.73.1, 7.1.1.43-150700.3.65.1
ImageMagick-devel - addressed in versions 7.1.1.21-150600.3.73.1, 7.1.1.43-150700.3.65.1
ImageMagick-extra - update to 7.1.1.21-150600.3.73.1
ImageMagick-extra-debuginfo - update to 7.1.1.21-150600.3.73.1
libMagick++-devel-32bit - update to 7.1.1.21-150600.3.73.1
libMagickCore-7_Q16HDRI10-64bit-debuginfo - update to 7.1.1.21-150600.3.73.1
libMagick++-7_Q16HDRI5-64bit-debuginfo - update to 7.1.1.21-150600.3.73.1
libMagick++-7_Q16HDRI5-64bit - update to 7.1.1.21-150600.3.73.1
libMagickWand-7_Q16HDRI10-64bit-debuginfo - update to 7.1.1.21-150600.3.73.1
libMagickWand-7_Q16HDRI10-64bit - update to 7.1.1.21-150600.3.73.1
libMagick++-devel-64bit - update to 7.1.1.21-150600.3.73.1
ImageMagick-devel-64bit - update to 7.1.1.21-150600.3.73.1
libMagickCore-7_Q16HDRI10-64bit - update to 7.1.1.21-150600.3.73.1
ImageMagick-doc - update to 7.1.1.21-150600.3.73.1
ImageMagick-devel-32bit - update to 7.1.1.21-150600.3.73.1
libMagickCore-7_Q16HDRI10-32bit - update to 7.1.1.21-150600.3.73.1
libMagickWand-7_Q16HDRI10-32bit - update to 7.1.1.21-150600.3.73.1
libMagickCore-7_Q16HDRI10-32bit-debuginfo - update to 7.1.1.21-150600.3.73.1
libMagick++-7_Q16HDRI5-32bit - update to 7.1.1.21-150600.3.73.1
libMagickWand-7_Q16HDRI10-32bit-debuginfo - update to 7.1.1.21-150600.3.73.1
libMagick++-7_Q16HDRI5-32bit-debuginfo - update to 7.1.1.21-150600.3.73.1
libMagick++-7_Q16HDRI5 - addressed in versions 7.1.1.21-150600.3.73.1, 7.1.1.43-150700.3.65.1
ImageMagick - update to 7.1.2.27-1
ImageMagick-c++ - update to 7.1.2.27-1
ImageMagick-c++-devel - update to 7.1.2.27-1
ImageMagick-devel - update to 7.1.2.27-1
ImageMagick-djvu - update to 7.1.2.27-1
ImageMagick-doc - update to 7.1.2.27-1
ImageMagick-libs - update to 7.1.2.27-1
ImageMagick-perl - update to 7.1.2.27-1

• https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-w54j-7wpm-crhj

• Multiple vulnerabilities in ImageMagick
• SUSE update for ImageMagick
• SUSE update for ImageMagick
• Anolis OS update for ImageMagick