CVE-2026-42585
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| netty | netty | >= 4.2.0.Alpha1, < 4.2.13.Final | affected |
| netty | netty | < 4.1.133.Final | affected |
| io.netty | netty-codec-http | >= 4.2.0.Alpha1, < 4.2.13.Final | affected |
| io.netty | netty-codec-http | < 4.1.133.Final | affected |
Weaknesses
- CWE-444: CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: poc
- Automatable: yes
- Technical Impact: partial
Additional References
References
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