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  5. CVE-2020-11612

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

Code Behaviors & Features

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Affected versions

All versions starting from 4.1 before 4.1.46

Fixed versions

  • 4.1.46.Final

Solution

Upgrade to version 4.1.46.Final or above.

Impact 7.5 HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Learn more about CVSS

Weakness

  • CWE-400: Uncontrolled Resource Consumption

Source file

maven/io.netty/netty-codec/CVE-2020-11612.yml

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