# CVE-2026-32314: Yamux vulnerable to remote Panic via malformed Data frame with SYN set and len = 262145

Source: https://junglewise.ai/threats/cve-2026-32314-yamux-vulnerable-to-remote-panic-via-malformed-data-frame-with  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-03-13  
License: CC BY 4.0 with a link back

CVE-2026-32314 · Severity: medium · CVSS 4 · Published 2026-03-13

Yamux vulnerable to remote Panic via malformed Data frame with SYN set and len = 262145

Technologies: [yamux (crates.io)](https://junglewise.ai/threats/technologies/yamux). Vendors: [crates.io](https://junglewise.ai/threats/vendors/crates-io).

## Quick answers

**Is CVE-2026-32314 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-32314 being exploited in the wild.

**How severe is CVE-2026-32314?** Medium severity, with a CVSS score of 4, published 13 March 2026.

**Which products and versions are affected?** yamux (crates.io) SEMVER:introduced=0,fixed=0.13.10.

**Is there a fix for CVE-2026-32314?** Yes. yamux (crates.io): upgrade to 0.13.10 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2026-32314?** Check whether you run yamux (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

- yamux (crates.io): upgrade to 0.13.10 or later

  ```sh
  cargo update -p yamux
  ```


## Affected products

- yamux (crates.io) SEMVER:introduced=0,fixed=0.13.10

## Identifiers

- CVE-2026-32314
- GHSA-vxx9-2994-q338

## Related threats

- [Yamux vulnerable to remote Panic via malformed WindowUpdate credit](https://junglewise.ai/threats/cve-2026-31814-yamux-vulnerable-to-remote-panic-via-malformed-windowupdate)
- [Yamux Memory Exhaustion Vulnerability via Active::pending_frames property](https://junglewise.ai/threats/cve-2024-32984-yamux-memory-exhaustion-vulnerability-via-active-pending-frames)