Maven/io.netty:netty-codec-http CVE-2026-42587: high 7.5, EPSS 1.05%
Netty: HttpContentDecompressor maxAllocation bypass when Content-Encoding set to br/zstd/snappy leads to decompression bomb DoS
Action: Upgrade io.netty:netty-codec-http to 4.1.133.Final (4.1.x) or 4.2.13.Final (4.2.x) or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 4.2.0.Alpha1 | 4.2.13.Final | - |
| 0 | 4.1.133.Final | - |
Fixed versions
| 4.2.13.Final | 4.1.133.Final |
Sources
- osv: GHSA-f6hv-jmp6-3vwv
- https://github.com/netty/netty/security/advisories/GHSA-f6hv-jmp6-3vwv
- https://nvd.nist.gov/vuln/detail/CVE-2026-42587
- https://github.com/netty/netty
CVE-2026-42587 · published · modified · JSON