libnetty-java: The ZlibDecoders in Netty 4.1.x before 4.1.46 allow for unbounded memory allocation while decoding a ZlibEncoded byte...
CVE-2020-11612 is fixed in libnetty-java on 1 platform, first by libnetty-java 1:4.1.7-4ubuntu0.1, released April 7, 2020. It is not reported as exploited. Patch Radar priority: Routine.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libnetty-java · Ubuntu 18.04.6 LTS (bionic) | 1:4.1.7-4ubuntu0.1 | libnetty-java 1:4.1.7-4ubuntu0.1 | Apr 7, 2020 |
| libnetty-java · Ubuntu 20.04 LTS (focal) | 1:4.1.45-1ubuntu0.1~esm1 | libnetty-java 1:4.1.45-1ubuntu0.1~esm1 | Dec 12, 2022 |
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