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Critical Docker Sandboxes Flaw Lets Malicious Guest Code Read and Modify macOS Host Files

Malicious code running inside a Docker Sandboxes virtual machine on macOS could escape the project directory shared into it and read or change files anywhere else on the host, Docker warns in a security announcement on September 15. The escape runs with the rights of the host account that runs the virtual machine. The flaw, CVE-2026-77179, is rated Critical, affects versions

Critical Docker Sandboxes Flaw Lets Malicious Guest Code Read and Modify macOS Host Files

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What std::mem::forget Actually Does to Heap Allocations

Rust guarantees memory safety, not resource freedom. Calling std::mem::forget suppresses destructor execution entirely, tearing down the stack pointer while leaving heap metadata active in allocator…

  • std::mem::forget disables destructor execution, freeing stack pointer.
  • Keeps heap metadata active in allocator slabs, evading Undefined Behavior.
  • Differentiates from Box::intoraw and ManuallyDrop for resource management.

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