# RUSTSEC-2022-0012 - Arrow2 allows double free in `safe` code

Source: https://junglewise.ai/threats/rustsec-2022-0012-arrow2-allows-double-free-in-safe-code-5b4505a7  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-03-04  
License: CC BY 4.0 with a link back

Severity: info · Published 2022-03-04

Arrow2 allows double free in `safe` code

Technologies: [arrow2 (crates.io)](https://junglewise.ai/threats/technologies/arrow2). 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 4 March 2022.

**Which products and versions are affected?** arrow2 (crates.io) SEMVER:introduced=0.0.0-0,fixed=0.7.1,introduced=0.8.0,fixed=0.8.2,introduced=0.9.0,fixed=0.9.2,introduced=0.10.0,fixed=0.10.0.

**Is there a fix for This vulnerability?** Yes. arrow2 (crates.io): upgrade to 0.10.0 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 arrow2 (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

- arrow2 (crates.io): upgrade to 0.10.0 or later

  ```sh
  cargo update -p arrow2
  ```


## Affected products

- arrow2 (crates.io) SEMVER:introduced=0.0.0-0,fixed=0.7.1,introduced=0.8.0,fixed=0.8.2,introduced=0.9.0,fixed=0.9.2,introduced=0.10.0,fixed=0.10.0

## Related threats

- [Arrow2 allows out of bounds access in public safe API](https://junglewise.ai/threats/arrow2-allows-out-of-bounds-access-in-public-safe-api-b227258e)
- [RUSTSEC-2025-0038 - Out of bounds access in public safe API](https://junglewise.ai/threats/rustsec-2025-0038-out-of-bounds-access-in-public-safe-api-88ff3740)
- [Arrow2 allows double free in `safe` code](https://junglewise.ai/threats/arrow2-allows-double-free-in-safe-code-4ac88c6c)