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6.8
ImageMagick: PCL Encoder Can Crash System
CVE-2026-28686
GHSA-467j-76j7-5885
Summary
A bug in the ImageMagick tool can cause it to crash when converting certain image files, potentially leading to system instability. This issue affects the tool's ability to encode PCL (Printer Command Language) files. To mitigate this risk, update ImageMagick to the latest version.
What to do
- Update magick.net-q16-anycpu to version 14.10.4.
- Update magick.net-q16-hdri-anycpu to version 14.10.4.
- Update magick.net-q16-hdri-openmp-arm64 to version 14.10.4.
- Update magick.net-q16-hdri-arm64 to version 14.10.4.
- Update magick.net-q16-hdri-x64 to version 14.10.4.
- Update magick.net-q16-hdri-x86 to version 14.10.4.
- Update magick.net-q16-openmp-arm64 to version 14.10.4.
- Update magick.net-q16-openmp-x64 to version 14.10.4.
- Update magick.net-q16-openmp-x86 to version 14.10.4.
- Update magick.net-q16-arm64 to version 14.10.4.
- Update magick.net-q16-x64 to version 14.10.4.
- Update magick.net-q16-x86 to version 14.10.4.
- Update magick.net-q16-hdri-openmp-x64 to version 14.10.4.
- Update magick.net-q8-anycpu to version 14.10.4.
- Update magick.net-q8-openmp-arm64 to version 14.10.4.
- Update magick.net-q8-openmp-x64 to version 14.10.4.
- Update magick.net-q8-arm64 to version 14.10.4.
- Update magick.net-q8-x64 to version 14.10.4.
- Update magick.net-q8-x86 to version 14.10.4.
Affected software
| Vendor | Product | Affected versions | Fix available |
|---|---|---|---|
| – | magick.net-q16-anycpu | <= 14.10.4 | 14.10.4 |
| – | magick.net-q16-hdri-anycpu | <= 14.10.4 | 14.10.4 |
| – | magick.net-q16-hdri-openmp-arm64 | <= 14.10.4 | 14.10.4 |
| – | magick.net-q16-hdri-arm64 | <= 14.10.4 | 14.10.4 |
| – | magick.net-q16-hdri-x64 | <= 14.10.4 | 14.10.4 |
| – | magick.net-q16-hdri-x86 | <= 14.10.4 | 14.10.4 |
| – | magick.net-q16-openmp-arm64 | <= 14.10.4 | 14.10.4 |
| – | magick.net-q16-openmp-x64 | <= 14.10.4 | 14.10.4 |
| – | magick.net-q16-openmp-x86 | <= 14.10.4 | 14.10.4 |
| – | magick.net-q16-arm64 | <= 14.10.4 | 14.10.4 |
| – | magick.net-q16-x64 | <= 14.10.4 | 14.10.4 |
| – | magick.net-q16-x86 | <= 14.10.4 | 14.10.4 |
| – | magick.net-q16-hdri-openmp-x64 | <= 14.10.4 | 14.10.4 |
| – | magick.net-q8-anycpu | <= 14.10.4 | 14.10.4 |
| – | magick.net-q8-openmp-arm64 | <= 14.10.4 | 14.10.4 |
| – | magick.net-q8-openmp-x64 | <= 14.10.4 | 14.10.4 |
| – | magick.net-q8-arm64 | <= 14.10.4 | 14.10.4 |
| – | magick.net-q8-x64 | <= 14.10.4 | 14.10.4 |
| – | magick.net-q8-x86 | <= 14.10.4 | 14.10.4 |
| imagemagick | imagemagick | <= 6.9.13-41 | – |
| imagemagick | imagemagick | > 7.0.0-0 , <= 7.1.2-16 | – |
Original title
ImageMagick: Write heap-buffer-overflow in PCL encoder via undersized output buffer
Original description
A heap-buffer-overflow vulnerability exists in the PCL encode due to an undersized output buffer allocation.
```
WRITE of size 1 at 0x7e79f91f31a0 thread T0
```
```
WRITE of size 1 at 0x7e79f91f31a0 thread T0
```
nvd CVSS3.1
6.8
Vulnerability type
CWE-122
Heap-based Buffer Overflow
CWE-131
Published: 12 Mar 2026 · Updated: 13 Mar 2026 · First seen: 10 Mar 2026