# CVE-2024-43806: rustix's `rustix::fs::Dir` iterator with the `linux_raw` backend can cause memory explosion

Source: https://junglewise.ai/threats/cve-2024-43806-rustix-s-rustix-fs-dir-iterator-with-the-linux-raw-backend-can  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2023-10-18  
License: CC BY 4.0 with a link back

CVE-2024-43806 · Severity: low · CVSS 3.1 · Published 2023-10-18

rustix's `rustix::fs::Dir` iterator with the `linux_raw` backend can cause memory explosion

Vendors: [crates.io](https://junglewise.ai/threats/vendors/crates-io).

## Quick answers

**Is CVE-2024-43806 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2024-43806 being exploited in the wild.

**How severe is CVE-2024-43806?** Low severity, with a CVSS score of 3.1, published 18 October 2023.

**Which products and versions are affected?** rustix (crates.io) SEMVER:introduced=0.35.11,fixed=0.35.15.

**Is there a fix for CVE-2024-43806?** Yes. rustix (crates.io): upgrade to 0.35.15 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2024-43806?** Check whether you run rustix (crates.io) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- rustix (crates.io): upgrade to 0.35.15 or later

  ```sh
  cargo update -p rustix
  ```


## Affected products

- rustix (crates.io) SEMVER:introduced=0.35.11,fixed=0.35.15

## Identifiers

- CVE-2024-43806
- GHSA-c827-hfw6-qwvm

## Related threats

- [rustix xattr functions memory safety violation with zero-length buffer](https://junglewise.ai/threats/rustsec-2026-0486-xattr-functions-mark-unwritten-bytes-as-initialized-5b0a3286)
