io.netty:netty-codec vulnerabilities

Browse known CVEs and advisories by package and ecosystem. Severity tells you the worst case. What determines real risk is whether the vulnerable code actually runs in your applications.

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CVE-IDSeverityPackage summary

CVE-2026-59901Highio.netty:netty-codec-compression: Netty: [Bzip2Decoder] Infinite Loop in RLE State Machine Leads to Event-Loop Thread Hang CVE-2026-42583Highio.netty:netty-codec-compression: Netty Lz4FrameDecoder is vulnerable to resource exhaustion CVE-2025-58057Mediumio.netty:netty-codec-compression: Netty's decoders vulnerable to DoS via zip bomb style attack CVE-2021-37137Highio.netty:netty-codec: SnappyFrameDecoder doesn't restrict chunk length any may buffer skippable chunks in an unnecessary way CVE-2021-37136Highio.netty:netty-codec: Bzip2Decoder doesn't allow setting size restrictions for decompressed data

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