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Medium

ImageMagick has Heap Use-After-Free in ImageMagick MSL decoder

  • Disclosed: 12.03.2026
  • Updated: 11.10.2026 11:23

A heap use-after-free vulnerability in ImageMagick's MSL decoder allows an attacker to trigger access to freed memory by crafting an MSL file.

=================================================================
==1500633==ERROR: AddressSanitizer: heap-use-after-free on address 0x527000011550 at pc 0x5612583fa212 bp 0x7ffedb86d160 sp 0x7ffedb86d150
READ of size 8 at 0x527000011550 thread T0

Affected software

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PlatformPackageVulnerable versionsFixed in
.NET (NuGet) Magick.NET-Q16-AnyCPU < 14.10.4 14.10.4
.NET (NuGet) Magick.NET-Q16-arm64 < 14.10.4 14.10.4
.NET (NuGet) Magick.NET-Q16-HDRI-AnyCPU < 14.10.4 14.10.4
.NET (NuGet) Magick.NET-Q16-HDRI-arm64 < 14.10.4 14.10.4
.NET (NuGet) Magick.NET-Q16-HDRI-OpenMP-arm64 < 14.10.4 14.10.4
.NET (NuGet) Magick.NET-Q16-HDRI-OpenMP-x64 < 14.10.4 14.10.4
.NET (NuGet) Magick.NET-Q16-HDRI-x64 < 14.10.4 14.10.4
.NET (NuGet) Magick.NET-Q16-HDRI-x86 < 14.10.4 14.10.4
.NET (NuGet) Magick.NET-Q16-OpenMP-arm64 < 14.10.4 14.10.4
.NET (NuGet) Magick.NET-Q16-OpenMP-x64 < 14.10.4 14.10.4
.NET (NuGet) Magick.NET-Q16-OpenMP-x86 < 14.10.4 14.10.4
.NET (NuGet) Magick.NET-Q16-x64 < 14.10.4 14.10.4
.NET (NuGet) Magick.NET-Q16-x86 < 14.10.4 14.10.4
.NET (NuGet) Magick.NET-Q8-AnyCPU < 14.10.4 14.10.4
.NET (NuGet) Magick.NET-Q8-arm64 < 14.10.4 14.10.4
.NET (NuGet) Magick.NET-Q8-OpenMP-arm64 < 14.10.4 14.10.4
.NET (NuGet) Magick.NET-Q8-OpenMP-x64 < 14.10.4 14.10.4
.NET (NuGet) Magick.NET-Q8-x64 < 14.10.4 14.10.4
.NET (NuGet) Magick.NET-Q8-x86 < 14.10.4 14.10.4

References

CVSS score 5.3/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Weakness (CWE)
CWE-416
Platform
.NET (NuGet)
Package
Magick.NET-Q16-AnyCPU, Magick.NET-Q16-arm64, Magick.NET-Q16-HDRI-AnyCPU
Disclosed
12.03.2026
Updated
11.10.2026 11:23

Sources and licenses

OSV / GitHub Advisory Database - GHSA-fpvf-frm6-625q - CC BY 4.0

Vulnerability history: Magick.NET-Q16-HDRI-OpenMP-x64

All published vulnerabilities of this package (.NET (NuGet)), newest first. Shows whether this is a one-off slip or a package that needs watching.

All (95) in the archive
Total entries
95
First → latest
07.2025 05.2026
Without a fix
1
Exploited in attacks
0

Severity breakdown

  • High 19
  • Medium 59
  • Low 17

Disclosures per year

Severity:
  1. ImageMagick: Infinite Loop in the MIFF decoder can lead to CPU exhaustion
    High · 7.5 CVE-2026-46522 < 14.13.1 14.13.1
  2. ImageMagick: Heap Buffer Over-Write in IPL decoder when reading multiple images of different dimensions
    High · 7.5 CVE-2026-46520 < 14.13.1 14.13.1
  3. ImageMagick has stack buffer overflow in MagnifyImage
    High · 7.7 CVE-2026-30929 < 14.10.4 14.10.4
  4. ImageMagick: Integer overflow in DIB coder can result in out of bounds read or write
    High · 8.1 CVE-2026-28693 < 14.10.4 14.10.4
  5. ImageMagick has uninitialized pointer dereference in JBIG decoder
    High · 7.5 CVE-2026-28691 < 14.10.4 14.10.4
  6. ImageMagick has Heap Use-After-Free in ImageMagick MSL decoder this entry
    Medium · 5.3 CVE-2026-28687 < 14.10.4 14.10.4
  7. ImageMagick vulnerable to stack corruption through long morphology kernel names or arrays
    High · 7.1 CVE-2026-28494 < 14.10.4 14.10.4
  8. ImageMagick: MSL attribute stack buffer overflow leads to out of bounds write.
    High · 7.4 CVE-2026-25968 < 14.10.3 14.10.3
  9. ImageMagick: Integer overflow or wraparound and incorrect conversion between numeric types in the internal SVG decoder
    High · 7.5 CVE-2026-25989 < 14.10.3 14.10.3
  10. ImageMagick: Memory allocation with excessive without limits in the internal SVG decoder
    High · 7.5 CVE-2026-25985 < 14.10.3 14.10.3
  11. ImageMagick: Stack buffer overflow in FTXT reader via oversized integer field
    High · 7.4 CVE-2026-25967 < 14.10.3 14.10.3
  12. ImageMagick: Policy bypass through path traversal allows reading restricted content despite secured policy
    High · 8.6 CVE-2026-25965 < 14.10.3 14.10.3
  13. ImageMagick has heap-buffer-overflow via signed integer overflow in WriteUHDRImage when writing UHDR images with large dimensions
    High · 8.2 CVE-2026-25794 < 14.10.3 14.10.3
  14. ImageMagick: Infinite loop vulnerability when parsing a PCD file
    High · 7.5 CVE-2026-24485 < 14.10.3 14.10.3
  15. ImageMagick has Possible Heap Information Disclosure in PSD ZIP Decompression
    High · 7.5 CVE-2026-24481 < 14.10.3 14.10.3
  16. ImageMagick has a Format String Bug in InterpretImageFilename leads to arbitrary code execution
    High · 7.5 CVE-2025-55298 < 14.8.1 14.8.1
  17. imagemagick: integer overflows in MNG magnification
    High · 8.8 CVE-2025-55154 < 14.8.0 14.8.0
  18. imagemagick: heap-buffer overflow read in MNG magnification with alpha
    High · 7.6 CVE-2025-55004 < 14.8.0 14.8.0
  19. ImageMagick has a Stack Buffer Overflow in image.c
    High · 7.4 CVE-2025-53101 < 14.7.0 14.7.0
  20. ImageMagick has XMP profile write that triggers hang due to unbounded loop
    High · 7.5 CVE-2025-53015 < 14.7.0 14.7.0

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