CVE-2020-11612: Improper Restriction of Operations within the Bounds of a Memory Buffer

April 7, 2020 (updated July 21, 2021)

The ZlibDecoders in Netty contains an unbounded memory allocation while decoding a ZlibEncoded byte stream. An attacker could send a large ZlibEncoded byte stream to the Netty server, forcing the server to allocate all of its free memory to a single decoder.

References

nvd.nist.gov/vuln/detail/CVE-2020-11612

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