AIKIDO-2026-674264
devalue is vulnerable to Denial of Service (DoS)
37
Low Risk
This Affects:
devalueTL;DR
parse and unflatten pass a revived backing buffer into a typed-array or DataView constructor without checking its type. A custom ArrayBuffer reviver that returns a number or an array-like value makes the constructor allocate a new buffer from that length, so a small payload can request a huge allocation. The fix reads byteLength through the native getter and rejects anything that is not a real ArrayBuffer or SharedArrayBuffer before construction.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range and you supply a custom ArrayBuffer reviver to parse or unflatten.
Background info
devalue is vulnerable to Denial of Service (DoS) in versions 0.0.1 - 5.9.2.
How to fix this
Upgrade the devalue library to the patch version.
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