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The case of the DLL that was not present in memory despite not being formally unloaded, part 2

The Old New Thing (Raymond Chen) · 5d ago Cached

A technical blog post by Raymond Chen investigating a memory corruption bug where a single byte 0x01 corrupts HMODULE handles, causing DLLs to be improperly freed and leading to crashes at process termination.

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#windows-debugging

Just shows that nobody cares about debugging the parity flag any more

The Old New Thing (Raymond Chen) · 2026-05-18 Cached

A bug in the Windows debugging engine for x86-64 incorrectly reported the parity flag, going unnoticed for over two decades, highlighting how rarely the flag is debugged.

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