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CVE-2026-42585

Netty: HTTP Request Smuggling due to malformed Transfer-Encoding PUBLISHED

Description (CNA)

Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, Netty incorrectly parses malformed Transfer-Encoding, enabling request smuggling attacks. This vulnerability is fixed in 4.2.13.Final and 4.1.133.Final.

Affected (CNA)

Vendor / productVersions
netty / nettyaffected >= 4.2.0.Alpha1, < 4.2.13.Final; affected < 4.1.133.Final
io.netty / netty-codec-httpaffected >= 4.2.0.Alpha1, < 4.2.13.Final; affected < 4.1.133.Final

CWE

CWE-444

References

ADP enrichment

CISA-ADP

No English description supplied.