# RUSTSEC-2025-0022 - Use-After-Free in `Md::fetch` and `Cipher::fetch`

Source: https://junglewise.ai/threats/rustsec-2025-0022-use-after-free-in-md-fetch-and-cipher-fetch-1c473b89  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-04-04  
License: CC BY 4.0 with a link back

Severity: info · Published 2025-04-04

Use-After-Free in `Md::fetch` and `Cipher::fetch`

Technologies: [openssl (crates.io)](https://junglewise.ai/threats/technologies/crates-io-openssl). 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 April 2025.

**Which products and versions are affected?** openssl (crates.io) SEMVER:introduced=0.10.39,fixed=0.10.72.

**Is there a fix for This vulnerability?** Yes. openssl (crates.io): upgrade to 0.10.72 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 openssl (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

- openssl (crates.io): upgrade to 0.10.72 or later

  ```sh
  cargo update -p openssl
  ```


## Affected products

- openssl (crates.io) SEMVER:introduced=0.10.39,fixed=0.10.72

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