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OpenAdvisories
Medium · 5.1 CVE-2026-62946 EUVD-2026-50574GHSA-h22j-f9xw-xjjm

ImageMagick: Integer Overflow in JNX decoder causes heap buffer over-write when processing extremly large files on 32-bit builds

Published Jul 30, 2026 · Updated Jul 30, 2026 · Assigned by GitHub_M

Description

ImageMagick is free and open-source software used for editing and manipulating digital images. In versions prior to both 6.9.13-52 and 7.1.2-27, processing an extremely large JNX file on 32-bit platforms can cause an integer overflow, leading to a heap buffer over-write. This issue has been fixed in versions 6.9.13-52 and 7.1.2-27.

Affected products

VendorProductAffectedFixed
ImageMagick ImageMagick < 7.1.2-27, < 6.9.13-52 —

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 8:7.1.2.27+dfsg1-1 —
Debian 13 imagemagick 8:7.1.1.43+dfsg1-1+deb13u13 —
Debian 12 imagemagick 8:6.9.11.60+dfsg-1.6+deb12u14 —
ReleasePackageFixed inAdvisory
Ubuntu Pro 26.04 LTS imagemagick 8:7.1.2.18+dfsg1-1ubuntu0.1~esm2 USN-8739-1
Ubuntu Pro 24.04 LTS imagemagick 8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm13 USN-8739-2
Ubuntu Pro 22.04 LTS imagemagick 8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm14 USN-8739-1
Show 4 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu Pro 20.04 LTS imagemagick 8:6.9.10.23+dfsg-2.1ubuntu11.11+esm14 USN-8739-1
Ubuntu Pro 18.04 LTS imagemagick 8:6.9.7.4+dfsg-16ubuntu6.15+esm16 USN-8739-1
Ubuntu Pro 16.04 LTS imagemagick 8:6.8.9.9-7ubuntu5.16+esm24 USN-8739-1
Ubuntu Pro 14.04 LTS imagemagick 8:6.7.7.10-6ubuntu3.13+esm25 USN-8739-1
ReleasePackageFixed inAdvisory
SLES 15 SP7 ImageMagick 7.1.0.9-150400.6.107.1 SUSE-SU-2026:3414-1, SUSE-SU-2026:3413-1
SLES 15 SP6 ImageMagick 7.1.1.21-150600.3.87.1 SUSE-SU-2026:4376-1
SLES 12 SP5 ImageMagick 6.8.8.1-71.270.1 SUSE-SU-2026:3412-1
Show 3 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES for SAP 16.0 ImageMagick 7.1.2.0-160000.14.1 SUSE-SU-2026:23312-1
SLES for SAP 15 SP6 ImageMagick 7.1.1.21-150600.3.87.1 SUSE-SU-2026:4376-1
SLES 16.0 ImageMagick 7.1.2.0-160000.14.1 SUSE-SU-2026:23312-1
ReleasePackageFixed inAdvisory
openSUSE Tumbleweed ImageMagick 7.1.2.28-1.1 openSUSE-SU-2026:11405-1
openSUSE Leap 16.0 ImageMagick 7.1.2.0-160000.14.1 openSUSE-SU-2026:21635-1

Affected packages

EcosystemPackageAffectedFixedRecord
NuGet Magick.NET-Q16-AnyCPU < 14.15.0 14.15.0 GHSA-h22j-f9xw-xjjm
NuGet Magick.NET-Q16-HDRI-AnyCPU < 14.15.0 14.15.0 GHSA-h22j-f9xw-xjjm
NuGet Magick.NET-Q16-HDRI-x86 < 14.15.0 14.15.0 GHSA-h22j-f9xw-xjjm
NuGet Magick.NET-Q16-x86 < 14.15.0 14.15.0 GHSA-h22j-f9xw-xjjm
NuGet Magick.NET-Q8-AnyCPU < 14.15.0 14.15.0 GHSA-h22j-f9xw-xjjm
NuGet Magick.NET-Q8-x86 < 14.15.0 14.15.0 GHSA-h22j-f9xw-xjjm

Advisories 10

References