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Fix msgpackr's conversion of property names to strings can trigger infinite recursion #2067

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when decoding user supplied MessagePack messages, users can trigger stuck threads by crafting messages that keep the decoder stuck in a loop.
CWE-674
CVE-2023-52079

Workarounds

Exploits seem to require structured cloning, replacing the 0x70 extension with your own (that throws an error or does something other than recursive referencing) should mitigate the issue.

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