The ZlibDecoders in Netty 4.1.x before 4.1.46 allow for 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.
CVE: (none) => CVE-2020-11612
Already reported! *** This bug has been marked as a duplicate of bug 26019 ***
Resolution: (none) => DUPLICATEStatus: NEW => RESOLVED