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Vulnerability · Published Mar 9, 2026 · Assigned by GitHub_M

CVE-2026-28686ImageMagick has a write heap-buffer-overflow in PCL encoder via undersized output buffer

Medium 6.8

In plain English

A medium-severity heap buffer overflow in ImageMagick from ImageMagick. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.8Medium
Exploit odds (30 days)0.1%top 97.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-16 and 6.9.13-41, A heap-buffer-overflow vulnerability exists in the PCL encode due to an undersized output buffer allocation. This vulnerability is fixed in 7.1.2-16 and 6.9.13-41.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.23imagemagick7.1.2.17-r0ALPINE-CVE-2026-28686
Alpine:v3.24imagemagick7.1.2.17-r0ALPINE-CVE-2026-28686
Debian:12imagemagick8:6.9.11.60+dfsg-1.6+deb12u8DEBIAN-CVE-2026-28686
Debian:13imagemagick8:7.1.1.43+dfsg1-1+deb13u7DSA-6169-1
Debian:13imagemagick8:7.1.1.43+dfsg1-1+deb13u7DEBIAN-CVE-2026-28686
Debian:14imagemagick8:7.1.2.16+dfsg1-1DEBIAN-CVE-2026-28686
NuGetmagick.net-q16-anycpu14.10.4GHSA-467j-76j7-5885
NuGetmagick.net-q16-arm6414.10.4GHSA-467j-76j7-5885
NuGetmagick.net-q16-hdri-anycpu14.10.4GHSA-467j-76j7-5885
NuGetmagick.net-q16-hdri-arm6414.10.4GHSA-467j-76j7-5885
NuGetmagick.net-q16-hdri-openmp-arm6414.10.4GHSA-467j-76j7-5885
NuGetmagick.net-q16-hdri-openmp-x6414.10.4GHSA-467j-76j7-5885
NuGetmagick.net-q16-hdri-x6414.10.4GHSA-467j-76j7-5885
NuGetmagick.net-q16-hdri-x8614.10.4GHSA-467j-76j7-5885
NuGetmagick.net-q16-openmp-arm6414.10.4GHSA-467j-76j7-5885
NuGetmagick.net-q16-openmp-x6414.10.4GHSA-467j-76j7-5885
NuGetmagick.net-q16-openmp-x8614.10.4GHSA-467j-76j7-5885
NuGetmagick.net-q16-x6414.10.4GHSA-467j-76j7-5885
NuGetmagick.net-q16-x8614.10.4GHSA-467j-76j7-5885
NuGetmagick.net-q8-anycpu14.10.4GHSA-467j-76j7-5885
NuGetmagick.net-q8-arm6414.10.4GHSA-467j-76j7-5885
NuGetmagick.net-q8-openmp-arm6414.10.4GHSA-467j-76j7-5885
NuGetmagick.net-q8-openmp-x6414.10.4GHSA-467j-76j7-5885
NuGetmagick.net-q8-x6414.10.4GHSA-467j-76j7-5885
NuGetmagick.net-q8-x8614.10.4GHSA-467j-76j7-5885
Ubuntu:25.10imagemagickno fix listedUBUNTU-CVE-2026-28686
Ubuntu:26.10imagemagickno fix listedUBUNTU-CVE-2026-28686

Affected products (as reported)

VendorProductVersions
ImageMagick ImageMagick >= 7.0.0, < 7.1.2-16< 6.9.13-41

Weakness: CWE-122, CWE-131 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

References