GHSA-pjxj-pchx-4c3m CVE-2026-53466
ImageMagick: Heap Buffer Over-Read in XCF decoder due to integer conversion overflow
Medium
NuGet
- Severity
- 6.5 / 10
- Medium · CVSS 3.1
- Exploit chance (EPSS)
- 0.22%
- Chance of exploitation in the next 30 days. Higher than 12.65% of scored vulnerabilities.
- Known exploited
- No
- Not in CISA's catalog
- Fix
- Available
- 17 packages have a fixed version
Description
An integer overflow in the XCF decoder can result in an out of bounds read when a crafted image is read and that can result in a crash.
Affected versions
NuGet
| Package | Vulnerable | Fixed in |
|---|---|---|
| Magick.NET-Q16-AnyCPU | < 14.15.0 |
14.15.0 |
| Magick.NET-Q16-HDRI-AnyCPU | < 14.15.0 |
14.15.0 |
| Magick.NET-Q16-HDRI-OpenMP-arm64 | < 14.15.0 |
14.15.0 |
| Magick.NET-Q16-HDRI-arm64 | < 14.15.0 |
14.15.0 |
| Magick.NET-Q16-HDRI-x64 | < 14.15.0 |
14.15.0 |
| Magick.NET-Q16-HDRI-x86 | < 14.15.0 |
14.15.0 |
| Magick.NET-Q16-OpenMP-arm64 | < 14.15.0 |
14.15.0 |
| Magick.NET-Q16-OpenMP-x64 | < 14.15.0 |
14.15.0 |
| Magick.NET-Q16-arm64 | < 14.15.0 |
14.15.0 |
| Magick.NET-Q16-x64 | < 14.15.0 |
14.15.0 |
| Magick.NET-Q16-x86 | < 14.15.0 |
14.15.0 |
| Magick.NET-Q8-AnyCPU | < 14.15.0 |
14.15.0 |
| Magick.NET-Q8-OpenMP-arm64 | < 14.15.0 |
14.15.0 |
| Magick.NET-Q8-OpenMP-x64 | < 14.15.0 |
14.15.0 |
| Magick.NET-Q8-arm64 | < 14.15.0 |
14.15.0 |
| Magick.NET-Q8-x64 | < 14.15.0 |
14.15.0 |
| Magick.NET-Q8-x86 | < 14.15.0 |
14.15.0 |
How to fix
Move to the fixed version or later with your package manager, update the lockfile, and run your tests. If the package only arrives through another dependency, upgrade that dependency first. If none of its releases pulls a fixed version yet, force the version with your package manager's override.
Magick.NET-Q16-AnyCPU NuGet → 14.15.0
- dotnet
dotnet add package Magick.NET-Q16-AnyCPU --version 14.15.0
Magick.NET-Q16-HDRI-AnyCPU NuGet → 14.15.0
- dotnet
dotnet add package Magick.NET-Q16-HDRI-AnyCPU --version 14.15.0
Magick.NET-Q16-HDRI-OpenMP-arm64 NuGet → 14.15.0
- dotnet
dotnet add package Magick.NET-Q16-HDRI-OpenMP-arm64 --version 14.15.0
Magick.NET-Q16-HDRI-arm64 NuGet → 14.15.0
- dotnet
dotnet add package Magick.NET-Q16-HDRI-arm64 --version 14.15.0
Magick.NET-Q16-HDRI-x64 NuGet → 14.15.0
- dotnet
dotnet add package Magick.NET-Q16-HDRI-x64 --version 14.15.0
Magick.NET-Q16-HDRI-x86 NuGet → 14.15.0
- dotnet
dotnet add package Magick.NET-Q16-HDRI-x86 --version 14.15.0
Magick.NET-Q16-OpenMP-arm64 NuGet → 14.15.0
- dotnet
dotnet add package Magick.NET-Q16-OpenMP-arm64 --version 14.15.0
Magick.NET-Q16-OpenMP-x64 NuGet → 14.15.0
- dotnet
dotnet add package Magick.NET-Q16-OpenMP-x64 --version 14.15.0
Magick.NET-Q16-arm64 NuGet → 14.15.0
- dotnet
dotnet add package Magick.NET-Q16-arm64 --version 14.15.0
Magick.NET-Q16-x64 NuGet → 14.15.0
- dotnet
dotnet add package Magick.NET-Q16-x64 --version 14.15.0
Magick.NET-Q16-x86 NuGet → 14.15.0
- dotnet
dotnet add package Magick.NET-Q16-x86 --version 14.15.0
Magick.NET-Q8-AnyCPU NuGet → 14.15.0
- dotnet
dotnet add package Magick.NET-Q8-AnyCPU --version 14.15.0
Magick.NET-Q8-OpenMP-arm64 NuGet → 14.15.0
- dotnet
dotnet add package Magick.NET-Q8-OpenMP-arm64 --version 14.15.0
Magick.NET-Q8-OpenMP-x64 NuGet → 14.15.0
- dotnet
dotnet add package Magick.NET-Q8-OpenMP-x64 --version 14.15.0
Magick.NET-Q8-arm64 NuGet → 14.15.0
- dotnet
dotnet add package Magick.NET-Q8-arm64 --version 14.15.0
Magick.NET-Q8-x64 NuGet → 14.15.0
- dotnet
dotnet add package Magick.NET-Q8-x64 --version 14.15.0
Magick.NET-Q8-x86 NuGet → 14.15.0
- dotnet
dotnet add package Magick.NET-Q8-x86 --version 14.15.0
Severity breakdown
CVSS 3.1 6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- Low
- Integrity
- None
- Availability
- Low
Weakness
CWE-190: Integer Overflow or Wraparound
The product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.
How to prevent it
- Requirements: Ensure that all protocols are strictly defined, such that all out-of-bounds behavior can be identified simply, and require strict conformance to the protocol.
- Requirements: Use a language that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid. If possible, choose a language or compiler that performs automatic bounds checking.
- Architecture and Design: Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid [REF-1482]. Use libraries or frameworks that make it easier to handle numbers without unexpected consequences. Examples include safe integer handling packages such as SafeInt (C++) or IntegerLib (C or C++). [REF-106]
- Implementation: Perform input validation on any numeric input by ensuring that it is within the expected range. Enforce that the input meets both the minimum and maximum requirements for the expected range. Use unsigned integers where possible. This makes it easier to perform validation for integer overflows. When signed integers are required, ensure that the range check includes minimum values as well as maximum values.
- Implementation: Understand the programming language's underlying representation and how it interacts with numeric calculation (CWE-681). Pay close attention to byte size discrepancies, precision, signed/unsigned distinctions, truncation, conversion and casting between types, "not-a-number" calculations, and how the language handles numbers that are too large or too small for its underlying representation. [REF-7] Also be careful to account for 32-bit, 64-bit, and other potential differences that may affect the numeric representation.
- Architecture and Design: For any security checks that are performed on the client side, ensure that these checks are duplicated on the server side, in order to avoid CWE-602. Attackers can bypass the client-side checks by modifying values after the checks have been performed, or by changing the client to remove the client-side checks entirely. Then, these modified values would be submitted to the server.
- Implementation: Examine compiler warnings closely and eliminate problems with potential security implications, such as signed / unsigned mismatch in memory operations, or use of uninitialized variables. Even if the weakness is rarely exploitable, a single failure may lead to the compromise of the entire system.
CWE-681: Incorrect Conversion between Numeric Types
When converting from one data type to another, such as long to integer, data can be omitted or translated in a way that produces unexpected values. If the resulting values are used in a sensitive context, then dangerous behaviors may occur.
How to prevent it
- Implementation: Avoid making conversion between numeric types. Always check for the allowed ranges.
References
Advisories
Packages
Other links
Timeline
- Published
- Last updated by the source
- Latest EPSS score
Related advisories
| Advisory | Severity | Why it's related |
|---|---|---|
| GHSA-j7hp-h8jx-5ppr libwebp: OOB write in BuildHuffmanTable | High Known exploited | Also affects magick.net-q16-anycpu |
| GHSA-cvhv-g4rq-3hmw ImageMagick: Memory Leak when providing invalid options to the cli | Medium | Also affects Magick.NET-Q16-AnyCPU |
| GHSA-h22j-f9xw-xjjm ImageMagick: Integer Overflow in JNX decoder causes heap buffer over-write when processing extremly large files on 32-bit builds | Medium | Also affects Magick.NET-Q16-AnyCPU |
| GHSA-422r-8c97-xcg4 ImageMagick: Heap Buffer Over-Write in fx operation | Medium | Also affects Magick.NET-Q16-AnyCPU |
| GHSA-f5m7-cqgw-8hm7 ImageMagick: Heap Buffer Over-Write in morphology operation when an invalid kernel is provided | Medium | Also affects Magick.NET-Q16-AnyCPU |
| GHSA-hc76-7mpc-qjqh ImageMagick: Code injection in HTML encoder due to incomplete fix of CVE-2026-25797 | Medium | Also affects Magick.NET-Q16-AnyCPU |
| GHSA-56m6-8q75-f2rw ImageMagick: Policy Bypass due to an incomplete fix of CVE-2026-49219 | Medium | Also affects Magick.NET-Q16-AnyCPU |
| GHSA-h5r4-w88w-7ccr ImageMagick: Memory Leak in TIFF encoder when invalid tiff:tile-geometry is specified | Low | Also affects Magick.NET-Q16-AnyCPU |
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