Is github.com/apernet/hysteria/core/v2 affected by GHSA-9fw6-xgg2-mq9q?

Go github.com/apernet/hysteria/core/v2 is affected in <=2.8.1.

Is GHSA-9fw6-xgg2-mq9q being exploited?

Not on the CISA KEV list. EPSS exploit probability is not available.

high

GHSA-9fw6-xgg2-mq9q

Q: Is GHSA-9fw6-xgg2-mq9q being exploited?

Not on the CISA KEV list. EPSS exploit probability is not available.

Go · github.com/apernet/hysteria/core/v2

Summary

Hysteria: A specially constructed quic package can crash the server OOM when the sniff is enabled

Severity: high
Published: 2026-05-05

References

https://github.com/apernet/hysteria/security/advisories/GHSA-9fw6-xgg2-mq9q
https://github.com/apernet/hysteria

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.