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bdu:2026-06707

EUVD-2026-266397

fkie_cve-2026-23952

ImageMagick is free and open-source software used for editing and manipulating digital images. Versions 14.10.1 and below have a NULL pointer dereference vulnerability in the MSL (Magick Scripting Language) parser when processing <comment> tags before images are loaded. This can lead to DoS attack due to assertion failure (debug builds) or NULL pointer dereference (release builds). This issue is fixed in version 14.10.2.

GHSA-5vx3-wx4q-6cj8 — ImageMagick has a NULL pointer dereference in MSL parser via tag before image load

Affected: NuGet: Magick.NET-Q8-x64, NuGet: Magick.NET-Q8-arm64, NuGet: Magick.NET-Q8-x86, NuGet: Magick.NET-Q8-OpenMP-x64, NuGet: Magick.NET-Q8-OpenMP-arm64, NuGet: Magick.NET-Q16-x64, NuGet: Magick.NET-Q16-arm64, NuGet: Magick.NET-Q16-x86, NuGet: Magick.NET-Q16-OpenMP-x64, NuGet: Magick.NET-Q16-OpenMP-arm64 and 9 more

## Summary

NULL pointer dereference in MSL (Magick Scripting Language) parser when processing `<comment>` tag before any image is loaded.

## Version

- ImageMagick 7.x (tested on current main branch) - Commit: HEAD

## Steps to Reproduce

### Method 1: Using ImageMagick directly

```bash magick MSL:poc.msl out.png ```

### Method 2: Using OSS-Fuzz reproduce

```bash python3 infra/helper.py build_fuzzers imagemagick python3 infra/helper.py reproduce imagemagick msl_fuzzer poc.msl ```

Or run the fuzzer directly: ```bash ./msl_fuzzer poc.msl ```

## Expected Behavior

ImageMagick should handle the malformed MSL gracefully and return an error message.

## Actual Behavior

``` convert: MagickCore/property.c:297: MagickBooleanType DeleteImageProperty(Image *, const char *): Assertion `image != (Image *) NULL' failed. Aborted ```

## Root Cause Analysis

In `coders/msl.c:7091`, `MSLEndElement()` calls `DeleteImageProperty()` on `msl_info->image[n]` when handling the `</comment>` end tag without checking if the image is NULL:

```c if (LocaleCompare((const char *) tag,"comment") == 0 ) { (void) DeleteImageProperty(msl_info->image[n],"comment"); // No NULL check ... } ```

When `<comment>` appears before any `<read>` operation, `msl_info->image[n]` is NULL, causing the assertion failure in `DeleteImageProperty()` at `property.c:297`.

## Impact

- **DoS**: Crash via assertion failure (debug builds) or NULL pointer dereference (release builds) - **Affected**: Any appli…

OESA-2026-1241 — ImageMagick security update

Affected: openEuler:20.03-LTS-SP4: ImageMagick

Use ImageMagick to create, edit, compose, or convert bitmap images. It can read and write images in a variety of formats (over 200) including PNG, JPEG, GIF, HEIC, TIFF, DPX, EXR, WebP, Postscript, PDF, and SVG. Use ImageMagick to resize, flip, mirror, rotate, distort, shear and transform images, adjust image colors, apply various special effects, or draw text, lines, polygons, ellipses and Bézier curves. Security Fix(es):

ImageMagick contains an infinite recursion vulnerability in MSL script processing that can lead to stack overflow. The vulnerability exists in the ProcessMSLScript function, where attackers can craft malicious MSL scripts to trigger infinite recursion, ultimately causing stack overflow.(CVE-2026-23874)

ImageMagick is a widely used free and open-source software for image editing and manipulation. Prior to versions 7.1.2-13 and 6.9.13-38, a heap buffer overflow vulnerability exists in the XBM image decoder (ReadXBMImage function). An attacker can exploit this by crafting a malicious XBM image file, causing controlled data to be written past the bounds of an allocated heap buffer during processing. Any operation that reads or identifies an image, such as common image upload and processing pipelines, can trigger this overflow, potentially leading to arbitrary code execution or application crash.(CVE-2026-23876)

ImageMagick is free and open-source software used for editing and manipulating digital images. Versions 14.10.1 and below have a NULL pointer der…

openSUSE-SU-2026:10119-1 — ImageMagick-7.1.2.13-2.1 on GA media

ImageMagick-7.1.2.13-2.1 on GA media

SUSE-SU-2026:0384-1 — Security update for ImageMagick

Security update for ImageMagick

UBUNTU-CVE-2026-23952

Affected: Ubuntu:Pro:14.04:LTS: imagemagick, Ubuntu:Pro:16.04:LTS: imagemagick, Ubuntu:Pro:18.04:LTS: imagemagick, Ubuntu:Pro:20.04:LTS: imagemagick, Ubuntu:Pro:22.04:LTS: imagemagick, Ubuntu:Pro:24.04:LTS: imagemagick, Ubuntu:25.10: imagemagick

WID-SEC-W-2026-0148 — ImageMagick: Mehrere Schwachstellen

Ein Angreifer kann mehrere Schwachstellen in ImageMagick ausnutzen, um einen Denial of Service Angriff durchzuführen, beliebigen Code auszuführen oder Daten zu manipulieren.