CVE-2026-33870
1 advisory.
Maven/io.netty:netty-codec-http CVE-2026-33870: high 7.5
Netty: HTTP Request Smuggling via Chunked Extension Quoted-String Parsing
Action: Upgrade io.netty:netty-codec-http to 4.1.132.Final (4.1.x) or 4.2.10.Final (4.2.x) or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 4.1.132.Final | - |
| 4.2.0.Alpha1 | 4.2.10.Final | - |
Fixed versions
| 4.1.132.Final | 4.2.10.Final |
Sources
- osv: GHSA-pwqr-wmgm-9rr8
- https://github.com/netty/netty/security/advisories/GHSA-pwqr-wmgm-9rr8
- https://nvd.nist.gov/vuln/detail/CVE-2026-33870
- https://github.com/netty/netty
- https://w4ke.info/2025/06/18/funky-chunks.html
- https://w4ke.info/2025/10/29/funky-chunks-2.html
- https://www.rfc-editor.org/rfc/rfc9110
CVE-2026-33870 · published · modified · JSON