Uncaught Exception Affecting yamux package, versions >=0.13.9
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RUST-YAMUX-15603607
- published15 Mar 2026
- disclosed13 Mar 2026
- creditRevofusion
Introduced: 13 Mar 2026
NewCVE-2026-32314 (opens in a new tab)How to fix?
A fix was pushed into the master branch but not yet published.
Overview
Affected versions of this package are vulnerable to Uncaught Exception in the process handling inbound Data frames with the SYN flag set and a body length exceeding the allowed limit. An attacker can cause a panic in the connection state machine by sending a specially crafted Data frame during a normal session, leading to a denial of service.