cvedb.io
CVE-2026-31814
HIGH · CVSS 7.5
EPSS exploitation probability: 0%
Published 2026-03-13T19:54:36.470 · Last modified 2026-06-17T10:34:30.497

Summary

Yamux is a stream multiplexer over reliable, ordered connections such as TCP/IP. From 0.13.0 to before 0.13.9, a specially crafted WindowUpdate can cause arithmetic overflow in send-window accounting, which triggers a panic in the connection state machine. This is remotely reachable over a normal network connection and does not require authentication. This vulnerability is fixed in 0.13.9.

Affected products

protocol — yamux

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.