# `fast-float` has multiple soundness issues

Source: https://junglewise.ai/threats/fast-float-has-multiple-soundness-issues-f75e2596  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2024-11-12  
License: CC BY 4.0 with a link back

Severity: medium · CVSS 4 · Published 2024-11-12

`fast-float` has multiple soundness issues

Technologies: [fast-float (crates.io)](https://junglewise.ai/threats/technologies/fast-float). 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?** Medium severity, with a CVSS score of 4, published 12 November 2024.

**Which products and versions are affected?** fast-float (crates.io) SEMVER:introduced=0,last_affected=0.2.0.

**Is there a fix for This vulnerability?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected?** Check whether you run fast-float (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.

## Affected products

- fast-float (crates.io) SEMVER:introduced=0,last_affected=0.2.0

## Related threats

- [fast-fault has a segmentation fault due to lack of bound check](https://junglewise.ai/threats/fast-fault-has-a-segmentation-fault-due-to-lack-of-bound-check-0682bc98)
- [RUSTSEC-2025-0003 - Segmentation fault due to lack of bound check](https://junglewise.ai/threats/rustsec-2025-0003-segmentation-fault-due-to-lack-of-bound-check-6ecb7209)
- [RUSTSEC-2024-0379 - Multiple soundness issues](https://junglewise.ai/threats/rustsec-2024-0379-multiple-soundness-issues-29d077b6)