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Description

ImageMagick is a software suite to create, edit, compose, or convert bitmap images. ImageMagick versions prior to 7.1.2-8 are vulnerable to denial-of-service due to unsigned integer underflow and division-by-zero in the CLAHEImage function. When tile width or height is zero, unsigned underflow occurs in pointer arithmetic, leading to out-of-bounds memory access, and division-by-zero causes immediate crashes. This issue has been patched in version 7.1.2-8.

Affected products

VendorProductAffectedFixed
ImageMagick ImageMagick < 7.1.2-8 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 imagemagick 8:7.1.2.8+dfsg1-1 —
Debian 13 imagemagick 8:7.1.1.43+dfsg1-1+deb13u4 —
ReleasePackageFixed inAdvisory
Ubuntu 26.04 LTS imagemagick 8:7.1.2.8+dfsg1-1 —
Ubuntu 25.10 imagemagick No fix yet —
ReleasePackageFixed inAdvisory
SLES 15 SP7 ImageMagick 7.1.0.9-150400.6.51.1 SUSE-SU-2025:3985-1, SUSE-SU-2025:3956-1
SLES 15 SP6 ImageMagick 7.1.0.9-150400.6.51.1 SUSE-SU-2025:3985-1, SUSE-SU-2025:3978-1
Show 2 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES for SAP 16.0 ImageMagick 7.1.2.0-160000.4.1 SUSE-SU-2025:21211-1
SLES 16.0 ImageMagick 7.1.2.0-160000.4.1 SUSE-SU-2025:21211-1
ReleasePackageFixed inAdvisory
openSUSE Tumbleweed ImageMagick 7.1.2.8-1.1 openSUSE-SU-2025:15685-1
openSUSE Leap 16.0 ImageMagick 7.1.2.0-160000.4.1 openSUSE-SU-2025:20162-1
openSUSE Leap 15.6 ImageMagick 7.1.1.21-150600.3.29.1 SUSE-SU-2025:3978-1
ReleasePackageFixed inAdvisory
Alpine v3.24 imagemagick 7.1.2.8-r0 —
Alpine v3.23 imagemagick 7.1.2.8-r0 —
Alpine v3.22 imagemagick 7.1.2.8-r0 —

Affected packages

Advisories 8

References