HIGHMaven →
Netty: HTTP Request Smuggling via Chunked Extension Quoted-String Parsing
Netty: HTTP Request Smuggling via Chunked Extension Quoted-String Parsing
Affected packages
- io.netty:netty-codec-http— before 4.1.132.Final
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- —
- EPSS percentile
- —
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.
Sources
- 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
Structured record: https://osv.dev/vulnerability/GHSA-pwqr-wmgm-9rr8
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