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OpenAdvisories
High · 8.1 CVE-2026-23876 EUVD-2026-3589

Heap buffer overflow with attacker-controlled data in XBM parser

Published Jan 20, 2026 · Updated Jul 15, 2026 · Assigned by GitHub_M

Description

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-13 and 6.9.13-38, a heap buffer overflow vulnerability in the XBM image decoder (ReadXBMImage) allows an attacker to write controlled data past the allocated heap buffer when processing a maliciously crafted image file. Any operation that reads or identifies an image can trigger the overflow, making it exploitable via common image upload and processing pipelines. Versions 7.1.2-13 and 6.9.13-38 fix the issue.

Affected products

VendorProductAffectedFixed
ImageMagick ImageMagick < 7.1.2-13, < 6.9.13-38 —

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 8:7.1.2.13+dfsg1-1 —
Debian 13 imagemagick 8:7.1.1.43+dfsg1-1+deb13u5 DSA-6111-1
Debian 12 imagemagick 8:6.9.11.60+dfsg-1.6+deb12u6 DSA-6111-1
Debian 11 imagemagick 8:6.9.11.60+dfsg-1.3+deb11u9 DLA-4448-1
ReleasePackageFixed inAdvisory
Ubuntu 25.10 imagemagick No fix yet —
Show 6 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu Pro 24.04 LTS imagemagick 8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm6 USN-8021-1
Ubuntu Pro 22.04 LTS imagemagick 8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm7 USN-8021-1
Ubuntu Pro 20.04 LTS imagemagick 8:6.9.10.23+dfsg-2.1ubuntu11.11+esm7 USN-8021-1
Ubuntu Pro 18.04 LTS imagemagick 8:6.9.7.4+dfsg-16ubuntu6.15+esm9 USN-8021-1
Ubuntu Pro 16.04 LTS imagemagick 8:6.8.9.9-7ubuntu5.16+esm17 USN-8021-1
Ubuntu Pro 14.04 LTS imagemagick 8:6.7.7.10-6ubuntu3.13+esm18 USN-8021-1
ReleasePackageFixed inAdvisory
RHEL 7 ELS ImageMagick +5 6.9.10.68-10.el7_9 RHSA-2026:3058
ReleasePackageFixed inAdvisory
SLES 15 SP7 ImageMagick 7.1.0.9-150400.6.64.1 SUSE-SU-2026:0503-1, SUSE-SU-2026:0437-1
SLES 15 SP6 ImageMagick 7.1.0.9-150400.6.64.1 SUSE-SU-2026:0503-1, SUSE-SU-2026:0438-1
SLES 15 SP5 ImageMagick 7.1.0.9-150400.6.64.1 SUSE-SU-2026:0503-1
SLES 15 SP4 ImageMagick 7.1.0.9-150400.6.64.1 SUSE-SU-2026:0503-1
SLES 12 SP5 ImageMagick 6.8.8.1-71.227.1 SUSE-SU-2026:0384-1
Show 5 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES for SAP 15 SP6 ImageMagick 7.1.0.9-150400.6.64.1 SUSE-SU-2026:0503-1, SUSE-SU-2026:0438-1
SLES for SAP 15 SP5 ImageMagick 7.1.0.9-150400.6.64.1 SUSE-SU-2026:0503-1
SLES for SAP 15 SP4 ImageMagick 7.1.0.9-150400.6.64.1 SUSE-SU-2026:0503-1
SLE HPC 15 SP5 ImageMagick 7.1.0.9-150400.6.64.1 SUSE-SU-2026:0503-1
SLE HPC 15 SP4 ImageMagick 7.1.0.9-150400.6.64.1 SUSE-SU-2026:0503-1
ReleasePackageFixed inAdvisory
openSUSE Tumbleweed ImageMagick 7.1.2.13-2.1 openSUSE-SU-2026:10119-1
openSUSE Leap 16.0 ImageMagick 7.1.2.0-160000.6.1 openSUSE-SU-2026:20337-1
openSUSE Leap 15.6 ImageMagick 7.1.1.21-150600.3.38.1 SUSE-SU-2026:0438-1

Amazon Linux

ReleasePackageFixed inAdvisory
Amazon Linux 2023 ImageMagick +6 1:6.9.13.29-1.amzn2023.0.5 ALAS2023-2026-1383
Amazon Linux 2 ImageMagick +5 6.9.10.97-1.amzn2.0.20 ALAS2-2026-3132

Oracle Linux

ReleasePackageFixed inAdvisory
Oracle Linux 7 ImageMagick +5 6.9.10.68-7.0.5.el7_9 ELSA-2026-3058

Advisories 14

References