# RUSTSEC-2023-0075 - Unaligned write of u64 on 32-bit and 16-bit platforms

Source: https://junglewise.ai/threats/rustsec-2023-0075-unaligned-write-of-u64-on-32-bit-and-16-bit-platforms-9fc02fa2  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2023-12-20  
License: CC BY 4.0 with a link back

Severity: info · Published 2023-12-20

Unaligned write of u64 on 32-bit and 16-bit platforms

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

## Quick answers

**Is This vulnerability exploited in the wild?** No. Junglewise Threat Intelligence has no report of This vulnerability being exploited in the wild.

**How severe is This vulnerability?** Informational severity, published 20 December 2023.

**Which products and versions are affected?** unsafe-libyaml (crates.io) SEMVER:introduced=0.0.0-0,fixed=0.2.10.

**Is there a fix for This vulnerability?** Yes. unsafe-libyaml (crates.io): upgrade to 0.2.10 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected?** Check whether you run unsafe-libyaml (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

- unsafe-libyaml (crates.io): upgrade to 0.2.10 or later

  ```sh
  cargo update -p unsafe-libyaml
  ```


## Affected products

- unsafe-libyaml (crates.io) SEMVER:introduced=0.0.0-0,fixed=0.2.10

## Related threats

- [RUSTSEC-2024-0449 - unsafe-libyaml is unmaintained](https://junglewise.ai/threats/rustsec-2024-0449-unsafe-libyaml-is-unmaintained-0aefda0e)
- [unsafe-libyaml unaligned write of u64 on 32-bit and 16-bit platforms](https://junglewise.ai/threats/unsafe-libyaml-unaligned-write-of-u64-on-32-bit-and-16-bit-platforms-4af53cad)