# ruint affected by unsoundness of safe `reciprocal_mg10`

Source: https://junglewise.ai/threats/ruint-affected-by-unsoundness-of-safe-reciprocal-mg10-2d9d7a00  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-12-26  
License: CC BY 4.0 with a link back

Severity: medium · CVSS 4 · Published 2025-12-26

ruint affected by unsoundness of safe `reciprocal_mg10`

Technologies: [ruint (crates.io)](https://junglewise.ai/threats/technologies/ruint). 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 26 December 2025.

**Which products and versions are affected?** ruint (crates.io) SEMVER:introduced=0,last_affected=1.17.0.

**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 ruint (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

- ruint (crates.io) SEMVER:introduced=0,last_affected=1.17.0

## Related threats

- [RUSTSEC-2026-0220 - Uint shift operations: incorrect overflow flags and truncated shift amounts](https://junglewise.ai/threats/rustsec-2026-0220-uint-shift-operations-incorrect-overflow-flags-and-0413f268)
- [RUSTSEC-2025-0137 - Unsoundness of safe `reciprocal_mg10`](https://junglewise.ai/threats/rustsec-2025-0137-unsoundness-of-safe-reciprocal-mg10-9d2c3b10)