Uncontrolled Memory Allocation Affecting io.netty:netty-codec Open this link in a new tab package, versions [4.1.0.Final, 4.1.46.Final)
Attack Complexity
Low
Availability
High
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snyk-id
SNYK-JAVA-IONETTY-564897
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published
7 Apr 2020
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disclosed
7 Apr 2020
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credit
Scott Mitchell
Introduced: 7 Apr 2020
CVE-2020-11612 Open this link in a new tabHow to fix?
Upgrade io.netty:netty-codec
to version 4.1.46.Final or higher.
Overview
io.netty:netty-codec is an event-driven asynchronous network application framework.
Affected versions of this package are vulnerable to Uncontrolled 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.