GitHub Advisoryadvisory · NuGet

GHSA-26qp-ffjh-2x4v ImageMagick has an integer overflow in despeckle operation causing a heap buffer overflow on 32-bit builds

MEDIUM Published 2026-04-13 Modified 2026-04-24 Official page ↗
Aliases
CVE-2026-34238
Ecosystem
NuGet
Packages
Magick.NET-Q16-AnyCPU, Magick.NET-Q16-HDRI-AnyCPU, Magick.NET-Q16-HDRI-x86, Magick.NET-Q16-x86, Magick.NET-Q8-AnyCPU, Magick.NET-Q8-x86
Severity
Moderate
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-190, CWE-787
Reviewed
2026-04-13

Affected packages

• NuGet Magick.NET-Q16-AnyCPU: < 14.12.0 → fixed in 14.12.0 • NuGet Magick.NET-Q16-HDRI-AnyCPU: < 14.12.0 → fixed in 14.12.0 • NuGet Magick.NET-Q16-HDRI-x86: < 14.12.0 → fixed in 14.12.0 • NuGet Magick.NET-Q16-x86: < 14.12.0 → fixed in 14.12.0 • NuGet Magick.NET-Q8-AnyCPU: < 14.12.0 → fixed in 14.12.0 • NuGet Magick.NET-Q8-x86: < 14.12.0 → fixed in 14.12.0

Description

An integer overflow in the despeckle operation causes a heap buffer overflow on 32-bit builds that will result in an out of bounds write. ``` ==1551685==ERROR: AddressSanitizer: heap-buffer-overflow on address 0xea2fb818 at pc 0x56cbc42a bp 0xffc4ce48 sp 0xffc4ce38 WRITE of size 8 at 0xea2fb818 thread T0 ```

Related

Alias · CVE (1)

  • CVE-2026-34238 ImageMagick is free and open-source software used for editing and manipulating digital images. vulnerability

Weakness · CWE (2)

  • CWE-190 Integer Overflow or Wraparound weakness
  • CWE-787 Out-of-bounds Write weakness

References