# RUSTSEC-2025-0049 - User-defined implementations of the safe trait scratchpad::Tracking can cause heap buffer overflows

Source: https://junglewise.ai/threats/rustsec-2025-0049-user-defined-implementations-of-the-safe-trait-a721ad23  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-08-14  
License: CC BY 4.0 with a link back

Severity: info · Published 2025-08-14

User-defined implementations of the safe trait scratchpad::Tracking can cause heap buffer overflows

Technologies: [scratchpad (crates.io)](https://junglewise.ai/threats/technologies/scratchpad). 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 14 August 2025.

**Which products and versions are affected?** scratchpad (crates.io) SEMVER:introduced=0.0.0-0.

**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 scratchpad (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

- scratchpad (crates.io) SEMVER:introduced=0.0.0-0

## Related threats

- [User-defined implementations of the safe trait scratchpad::Tracking can cause heap buffer overflows](https://junglewise.ai/threats/user-defined-implementations-of-the-safe-trait-scratchpad-tracking-can-5ed8f576)
- [RUSTSEC-2021-0030 - move_elements can double-free objects on panic](https://junglewise.ai/threats/cve-2021-28031-move-elements-can-double-free-objects-on-panic)