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Removal of BinaryFormatter in .NET 8.0 #1779

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#2278
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Removal of BinaryFormatter in .NET 8.0#1779
#2278
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lg2de
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breaking changefuture
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8.0
@MullerWasHere

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@MullerWasHere
MullerWasHere
opened on Jan 16, 2022

Description

Due to security issues, BinaryFormatter will be removed in .NET 8.0 and its Serialize and Deserialize methods are currently obsolete in .NET 5.0.

There is currently a single use of BinaryFormatter's Serialize and Deserialize methods:

fluentassertions/Src/FluentAssertions/ObjectAssertionsExtensions.cs

Lines 142 to 153 in 834a2db

private static object CreateCloneUsingBinarySerializer(object subject)
{
using var stream = new MemoryStream();
var binaryFormatter = new BinaryFormatter
{
Binder = new SimpleBinder(subject.GetType())
};
binaryFormatter.Serialize(stream, subject);
stream.Position = 0;
return binaryFormatter.Deserialize(stream);
}

Although it's a long way off until BinaryFormatter is removed, I figured it'd be a good idea to bring some attention to it. I stumbled upon this while working on #1754.

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