Is io.netty:netty-codec-http3 affected by CVE-2026-44892?

Maven io.netty:netty-codec-http3 is affected in >=4.2.0.Final <4.2.15.Final.

Is CVE-2026-44892 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.3%.

high

CVE-2026-44892

Q: Is CVE-2026-44892 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.3%.

Maven · io.netty:netty-codec-http3

Summary

Netty has a Vulnerable Default Configuration Which Leads to Denial of Service via Unbounded HTTP/3 Header Size

Severity: high
EPSS: 0.3% (p20)
Also known as: GHSA-c2rx-5r8w-8xr2
Published: 2026-06-08

References

https://github.com/netty/netty/security/advisories/GHSA-c2rx-5r8w-8xr2
https://nvd.nist.gov/vuln/detail/CVE-2026-44892
https://github.com/netty/netty

Related advisories

CVE-2026-56816 — high · Maven/io.netty:netty-codec-http3
CVE-2026-48748 — high · Maven/io.netty:netty-codec-http3
CVE-2026-42582 — high · Maven/io.netty:netty-codec-http3

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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.