Vulnerability · Published Mar 26, 2026 · Assigned by GitHub_M

CVE-2026-33535ImageMagick has an Out-of-Bounds write of a zero byte in its X11 display interaction

Medium 4.0

In plain English

A medium-severity out-of-bounds write 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 4% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)4.0Medium
Exploit odds (30 days)0.1%top 96.1% 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 7.1.2-18 and 6.9.13-43, an out-of-bounds write of a zero byte exists in the X11 `display` interaction path that could lead to a crash. Versions 7.1.2-18 and 6.9.13-43 patch the issue.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.23imagemagick7.1.2.19-r0ALPINE-CVE-2026-33535
Alpine:v3.24imagemagick7.1.2.18-r0ALPINE-CVE-2026-33535
Debian:12imagemagick8:6.9.11.60+dfsg-1.6+deb12u8DEBIAN-CVE-2026-33535
Debian:13imagemagick8:7.1.1.43+dfsg1-1+deb13u8DEBIAN-CVE-2026-33535
Debian:14imagemagick8:7.1.2.18+dfsg1-1DEBIAN-CVE-2026-33535
NuGetmagick.net-q16-anycpu14.11.1GHSA-mw3m-pqr2-qv7c
NuGetmagick.net-q16-arm6414.11.1GHSA-mw3m-pqr2-qv7c
NuGetmagick.net-q16-hdri-anycpu14.11.1GHSA-mw3m-pqr2-qv7c
NuGetmagick.net-q16-hdri-arm6414.11.1GHSA-mw3m-pqr2-qv7c
NuGetmagick.net-q16-hdri-openmp-arm6414.11.1GHSA-mw3m-pqr2-qv7c
NuGetmagick.net-q16-hdri-x6414.11.1GHSA-mw3m-pqr2-qv7c
NuGetmagick.net-q16-hdri-x8614.11.1GHSA-mw3m-pqr2-qv7c
NuGetmagick.net-q16-openmp-arm6414.11.1GHSA-mw3m-pqr2-qv7c
NuGetmagick.net-q16-openmp-x6414.11.1GHSA-mw3m-pqr2-qv7c
NuGetmagick.net-q16-openmp-x8614.11.1GHSA-mw3m-pqr2-qv7c
NuGetmagick.net-q16-x6414.11.1GHSA-mw3m-pqr2-qv7c
NuGetmagick.net-q16-x8614.11.1GHSA-mw3m-pqr2-qv7c
NuGetmagick.net-q8-anycpu14.11.1GHSA-mw3m-pqr2-qv7c
NuGetmagick.net-q8-arm6414.11.1GHSA-mw3m-pqr2-qv7c
NuGetmagick.net-q8-openmp-arm6414.11.1GHSA-mw3m-pqr2-qv7c
NuGetmagick.net-q8-openmp-x6414.11.1GHSA-mw3m-pqr2-qv7c
NuGetmagick.net-q8-x6414.11.1GHSA-mw3m-pqr2-qv7c
NuGetmagick.net-q8-x8614.11.1GHSA-mw3m-pqr2-qv7c
Ubuntu:25.10imagemagickno fix listedUBUNTU-CVE-2026-33535

Affected products (as reported)

VendorProductVersions
ImageMagick ImageMagick < 7.1.2-18< 6.9.13-43

Weakness: CWE-787 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References