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tgies/copy-fail-c

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Cross-platform C port of the Copy Fail Linux LPE (CVE-2026-31431). Disclosed 2026-04-29 by Theori / Xint.

5 mentions on Hacker News by 2 people: 1 story, 4 comments · first 2026-04-30 · latest 2026-04-30

Mentions per year 5 mentions · busiest year 2026 (5)
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  1. ▲ 4
    Show HN: Copy-fail-C – portable C port of CVE-2026-31431, with a checker
    story by tgies · 2026-04-30 · 0 comments
  2. There is a PoC that does exactly that here: https://github.com/tgies/copy-fail-c
    comment by tyilo · 2026-04-30 · in Copy Fail
  3. fixed: https://github.com/tgies/copy-fail-c
    comment by tgies · 2026-04-30 · in Copy Fail
  4. I have a C translation here that should be pretty readable https://github.com/tgies/copy-fail-c
    comment by tgies · 2026-04-30 · in Copy Fail
  5. The Python dependency is easily eliminated, and the x86_64 payload made cross-platform: https://github.com/tgies/copy-fail-c
    comment by tgies · 2026-04-30 · in Copy Fail