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💻 **Show HN: Copy-fail-C – portable C port of CVE-2026-31431, with a checker**
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...
🔗 https://github.com/tgies/copy-fail-c
#tech #news
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...
🔗 https://github.com/tgies/copy-fail-c
#tech #news