# Potential denial of service after connection migration

Source: https://junglewise.ai/threats/potential-denial-of-service-after-connection-migration-bfe521a4  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2023-07-24  
License: CC BY 4.0 with a link back

Severity: info · Published 2023-07-24

Potential denial of service after connection migration

Technologies: [s2n-quic (crates.io)](https://junglewise.ai/threats/technologies/crates-io-s2n-quic). 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 24 July 2023.

**Which products and versions are affected?** s2n-quic (crates.io) SEMVER:introduced=0,fixed=1.25.0.

**Is there a fix for This vulnerability?** Yes. s2n-quic (crates.io): upgrade to 1.25.0 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 s2n-quic (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

- s2n-quic (crates.io): upgrade to 1.25.0 or later

  ```sh
  cargo update -p s2n-quic
  ```


## Affected products

- s2n-quic (crates.io) SEMVER:introduced=0,fixed=1.25.0

## Related threats

- [AWS s2n-quic unbounded memory allocation in CRYPTO frame reassembler](https://junglewise.ai/threats/cve-2026-10740-aws-s2n-quic-unbounded-memory-allocation-in-crypto-frame)
- [s2n-quic potential denial of service via crafted stream frames](https://junglewise.ai/threats/s2n-quic-potential-denial-of-service-via-crafted-stream-frames-a2b7a2ea)
- [s2n-quic potential denial of service vulnerability when receiving empty UDP packets](https://junglewise.ai/threats/s2n-quic-potential-denial-of-service-vulnerability-when-receiving-empty-2fde45ee)