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A remote code execution vulnerability was discovered in tokio-tar, an unmaintained Rust library for async tar file processing. The flaw stems from a logic bug in how the library parses tar headers, allowing attackers to smuggle malicious files inside archives that bypass security scanners. The vulnerability affects tools like UV (Python package manager) and container images, enabling file overwrites during extraction. This case highlights that while Rust prevents memory safety issues, logic bugs remain possible, and abandoned dependencies pose significant security risks.

I Never Thought I’d See This

<p>I’ll save all of you some time: there’s no vulnerability in Rust. It’s a logic error in the <code>tokio-tar</code> package.</p>


<p>… and it’s fixed anyway already. This is a clickbait post; the author should be vivisected.</p>
