Apr 30, 2026
Security & Privacy
cve
exploit
vulnerability
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This is a C port of Theori/Xint's Copy Fail PoC (https://copy.fail/, 2026-04-29). The original depended on Python and embedded x86_64 shellcode. I managed to reimplement the shellcode as portable C using nolibc borrowed from the kernel, and now the whole thing can be compiled for & works on any arch supported by nolibc.
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