Allocation of Resources Without Limits or Throttling Affecting axum-core package, versions <0.3.0-rc.2



    Exploit Maturity Proof of concept
    Attack Complexity Low
    User Interaction Required
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7.5 high

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  • Snyk ID SNYK-RUST-AXUMCORE-3023730
  • published 15 Sep 2022
  • disclosed 15 Sep 2022
  • credit Johseg

How to fix?

Upgrade axum-core to version 0.3.0-rc.2 or higher.


axum-core is an ergonomic and modular web framework built with Tokio, Tower, and Hyper

Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling due to improper limitation of the request body size in <bytes::Bytes as axum_core::extract::FromRequest>::from_request


This also applies to these extractors which used Bytes::from_request internally:

  1. axum::extract::Form

  2. axum::extract::Json

  3. String