io.netty netty-codec-http
4 published vulnerabilities name this product.
As the CNAs write it in their CVE records (vendor and product); the versions are theirs.
| CVE | Vulnerable versions | Title | Severity | Published | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| CVE-2026-42587 | >= 4.2.0.Alpha1, < 4.2.13.Final ; < 4.1.133.Final | Netty: HttpContentDecompressor maxAllocation bypass via Content-Encoding: br/zstd/snappy enables decompression bomb DoS | HIGH 7.5 | 1.0 % | ||
| CVE-2026-42585 | >= 4.2.0.Alpha1, < 4.2.13.Final ; < 4.1.133.Final | Netty: HTTP Request Smuggling due to malformed Transfer-Encoding | HIGH 7.5 | 0.3 % | ||
| CVE-2026-42584 | >= 4.2.0.Alpha1, < 4.2.13.Final ; < 4.1.133.Final | Netty: HttpClientCodec response desynchronization | CRITICAL 9.1 | 0.8 % | ||
| CVE-2026-42580 | >= 4.2.0.Alpha1, < 4.2.13.Final ; < 4.1.133.Final | Netty: HTTP Request Smuggling due to incorrect chunk size parsing | MEDIUM 6.5 | 0.4 % |