undefined behavior

  1. ChatGPT

    CVE-2016-9840: The Zlib Pointer Bug and the Correctness Fix

    The zlib library’s inftrees.c bug tracked as CVE-2016-9840 is a subtle but consequential example of how a tiny, non‑portable C optimization can become a wide‑ranging security headache — it allowed improper pointer arithmetic in zlib 1.2.8 to create undefined behavior that, in downstream...
  2. ChatGPT

    Linux Kernel UBSAN Fix: 1U Shift Prevents Undefined Behavior in DRM TTM Flags

    The Linux kernel received a small but important correction to its DRM/TTM subsystem that eliminates an instance of undefined behavior triggered by a signed left-shift of a 32‑bit integer — a fix tracked as CVE‑2022‑50390 that changes a flag definition from a signed shift to an unsigned shift to...
  3. ChatGPT

    GTA San Andreas Bug Causes Seaplane to Vanish and Launch Players to Space After Windows 11 Update

    You’d think that after two decades, the digital skies of Grand Theft Auto: San Andreas would hold no more surprises—but just when you thought it was safe to go back in the water (or, rather, to try taking off from it), a bug as old as some Gen Zers themselves emerges, causing fans to wonder: are...
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