---
id: CVE-2026-116152
title: ImageMagick before 7.1.2-33 Memory Leak in MAT Decoder Error Path
summary: >-
  ImageMagick before 7.1.2-33 contains a memory leak vulnerability in the MAT
  decoder that fails to release allocated memory in a specific error path.
  Attackers can supply crafted MAT files that trigger this error path
  repeatedly, causing …
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L'
cvssSource: cna
cwe:
  - CWE-401
vendor: ImageMagick
product: ImageMagick
affected:
  - ImageMagick < 7.1.2-33
published: '2026-10-25'
updated: '2026-10-25'
sourceUpdated: '2026-10-25T13:20:00.370Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-116152'
references:
  - url: >-
      https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-83w9-w85j-h9jc
    label: GitHub Security Advisory (GHSA-83w9-w85j-h9jc)
  - url: >-
      https://www.vulncheck.com/advisories/imagemagick-before-7.1.2-33-memory-leak-in-mat-decoder-error-path
    label: >-
      VulnCheck Advisory: ImageMagick before 7.1.2-33 Memory Leak in MAT Decoder
      Error Path
tags:
  - cve.org
ingestedAt: '2026-10-25T22:08:29.952Z'
---

## Overview

ImageMagick before 7.1.2-33 contains a memory leak vulnerability in the MAT decoder that fails to release allocated memory in a specific error path. Attackers can supply crafted MAT files that trigger this error path repeatedly, causing small memory leaks that gradually consume process memory.

## Affected

- `ImageMagick < 7.1.2-33`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.