Description
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 products
netty: netty
References2
- github.com/netty/netty/security/advisories/GHSA-38f8-5428-x5cv ExploitVendor Advisory
- github.com/netty/netty/security/advisories/GHSA-38f8-5428-x5cv ExploitVendor Advisory
Metrics
- CVSS 3.1
-
7.5
HIGH
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - EPSS — exploit probability
- 0% percentile: 19 · as of 14 November 2026
- CWE
- CWE-444
Could this be exploited in your environment?
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