(pedantic note: this isn't the actual PoC for CVE-2021-3156, but you get the idea)
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Does this affect macOS / BSD?
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Probably. The linked blog post lists the vulnerable versions
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Does this affect Android?

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Not sure, but I don't think they use sudo
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The part to worry is from people using sudo on every single command thinking its somehow more secure when it's not. Don't abuse sudo.
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