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CVE-2026-25967

HIGH

ImageMagick: Stack buffer overflow in FTXT reader via oversized integer field

Published February 24, 2026Updated February 24, 2026Source: osv

Summary

### Summary A stack-based buffer overflow exists in the ImageMagick FTXT image reader. A crafted FTXT file can cause out-of-bounds writes on the stack, leading to a crash. ``` ================================================================= ==3537074==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x7ffee4850ef0 at pc 0x5607c408fb33 bp 0x7ffee484fe50 sp 0x7ffee484fe40 WRITE of size 1 at 0x7ffee4850ef0 thread T0 ```

Remediation

Upgrade to the fixed version using your package manager.

NuGet
Update Magick.NET-Q8-x86 to 14.10.3 or later
dotnet add package Magick.NET-Q8-x86 --version 14.10.3
NuGet
Update Magick.NET-Q16-HDRI-x64 to 14.10.3 or later
dotnet add package Magick.NET-Q16-HDRI-x64 --version 14.10.3
NuGet
Update Magick.NET-Q16-HDRI-arm64 to 14.10.3 or later
dotnet add package Magick.NET-Q16-HDRI-arm64 --version 14.10.3
NuGet
Update Magick.NET-Q16-HDRI-AnyCPU to 14.10.3 or later
dotnet add package Magick.NET-Q16-HDRI-AnyCPU --version 14.10.3
NuGet
Update Magick.NET-Q16-OpenMP-x86 to 14.10.3 or later
dotnet add package Magick.NET-Q16-OpenMP-x86 --version 14.10.3
NuGet
Update Magick.NET-Q16-x86 to 14.10.3 or later
dotnet add package Magick.NET-Q16-x86 --version 14.10.3
NuGet
Update Magick.NET-Q8-OpenMP-arm64 to 14.10.3 or later
dotnet add package Magick.NET-Q8-OpenMP-arm64 --version 14.10.3
NuGet
Update agick.NET-Q8-x64 to 14.10.3 or later
dotnet add package agick.NET-Q8-x64 --version 14.10.3
NuGet
Update Magick.NET-Q16-AnyCPU to 14.10.3 or later
dotnet add package Magick.NET-Q16-AnyCPU --version 14.10.3
NuGet
Update Magick.NET-Q8-AnyCPU to 14.10.3 or later
dotnet add package Magick.NET-Q8-AnyCPU --version 14.10.3
NuGet
Update Magick.NET-Q16-HDRI-x86 to 14.10.3 or later
dotnet add package Magick.NET-Q16-HDRI-x86 --version 14.10.3
NuGet
Update Magick.NET-Q16-OpenMP-arm64 to 14.10.3 or later
dotnet add package Magick.NET-Q16-OpenMP-arm64 --version 14.10.3
NuGet
Update Magick.NET-Q16-x64 to 14.10.3 or later
dotnet add package Magick.NET-Q16-x64 --version 14.10.3
NuGet
Update Magick.NET-Q16-OpenMP-x64 to 14.10.3 or later
dotnet add package Magick.NET-Q16-OpenMP-x64 --version 14.10.3
NuGet
Update Magick.NET-Q16-arm64 to 14.10.3 or later
dotnet add package Magick.NET-Q16-arm64 --version 14.10.3
NuGet
Update Magick.NET-Q16-HDRI-OpenMP-x64 to 14.10.3 or later
dotnet add package Magick.NET-Q16-HDRI-OpenMP-x64 --version 14.10.3
NuGet
Update Magick.NET-Q8-arm64 to 14.10.3 or later
dotnet add package Magick.NET-Q8-arm64 --version 14.10.3
NuGet
Update Magick.NET-Q16-HDRI-OpenMP-arm64 to 14.10.3 or later
dotnet add package Magick.NET-Q16-HDRI-OpenMP-arm64 --version 14.10.3

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (18)

PackageEcosystemAffectedFixed In
Magick.NET-Q8-x86
nuget
10.0.0, 10.1.0, 11.0.0, 11.1.0 (+221 more)14.10.3
Magick.NET-Q16-HDRI-x64
nuget
10.0.0, 10.1.0, 11.0.0, 11.1.0 (+202 more)14.10.3
Magick.NET-Q16-HDRI-arm64
nuget
10.0.0, 10.1.0, 11.0.0, 11.1.0 (+50 more)14.10.3
Magick.NET-Q16-HDRI-AnyCPU
nuget
10.0.0, 10.1.0, 11.0.0, 11.1.0 (+202 more)14.10.3
Magick.NET-Q16-OpenMP-x86
nuget
All versions14.10.3
Magick.NET-Q16-x86
nuget
10.0.0, 10.1.0, 11.0.0, 11.1.0 (+221 more)14.10.3
Magick.NET-Q8-OpenMP-arm64
nuget
10.0.0, 10.1.0, 11.0.0, 11.1.0 (+50 more)14.10.3
agick.NET-Q8-x64
nuget
All versions14.10.3
Magick.NET-Q16-AnyCPU
nuget
10.0.0, 10.1.0, 11.0.0, 11.1.0 (+205 more)14.10.3
Magick.NET-Q8-AnyCPU
nuget
10.0.0, 10.1.0, 11.0.0, 11.1.0 (+205 more)14.10.3
Magick.NET-Q16-HDRI-x86
nuget
10.0.0, 10.1.0, 11.0.0, 11.1.0 (+202 more)14.10.3
Magick.NET-Q16-OpenMP-arm64
nuget
10.0.0, 10.1.0, 11.0.0, 11.1.0 (+50 more)14.10.3
Magick.NET-Q16-x64
nuget
10.0.0, 10.1.0, 11.0.0, 11.1.0 (+221 more)14.10.3
Magick.NET-Q16-OpenMP-x64
nuget
10.0.0, 10.1.0, 11.0.0, 11.1.0 (+102 more)14.10.3
Magick.NET-Q16-arm64
nuget
10.0.0, 10.1.0, 11.0.0, 11.1.0 (+50 more)14.10.3
Magick.NET-Q16-HDRI-OpenMP-x64
nuget
10.0.0, 10.1.0, 11.0.0, 11.1.0 (+102 more)14.10.3
Magick.NET-Q8-arm64
nuget
10.0.0, 10.1.0, 11.0.0, 11.1.0 (+50 more)14.10.3
Magick.NET-Q16-HDRI-OpenMP-arm64
nuget
10.0.0, 10.1.0, 11.0.0, 11.1.0 (+50 more)14.10.3

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 7.4 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H

Frequently Asked Questions

What is CVE-2026-25967?
ImageMagick: Stack buffer overflow in FTXT reader via oversized integer field This vulnerability has been assigned a severity rating of HIGH (CVSS score: 7.4/10).
How do I check if my project is affected by CVE-2026-25967?
CVE-2026-25967 affects Magick.NET-Q8-x86, Magick.NET-Q16-HDRI-x64 and Magick.NET-Q16-HDRI-arm64 (and 15 more). Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2026-25967 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
7.4

High exploitability or significant impact. Prioritize remediation within days.

Also Known As

GHSA-72hf-fj62-w6j4

Related CVEs

  • CVE-2026-25989
    HIGH

    ImageMagick: Integer overflow or wraparound and incorrect conversion between numeric types in the internal SVG decoder

  • CVE-2026-25897
    MEDIUM

    ImageMagick: Heap overflow in sun decoder on 32-bit systems may result in out of bounds write

  • CVE-2026-25576
    MEDIUM

    ImageMagick: Out of bounds read in multiple coders read raw pixel data

  • CVE-2026-25986
    MEDIUM

    ImageMagick has heap buffer overflow in YUV 4:2:2 decoder

  • CVE-2026-28493
    MEDIUM

    ImageMagick has Integer Overflow leading to out of bounds write in SIXEL decoder

  • CVE-2026-25966
    MEDIUM

    ImageMagick's Security Policy Bypass through config/policy-secure.xml via "fd handler" leads to stdin/stdout access

  • CVE-2026-28688
    MEDIUM

    ImageMagick has heap use-after-free in the MSL encoder

  • CVE-2026-56375
    LOW

    ImageMagick has possible memory leak in ASHLAR coder when action fails

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