CVE-2020-11612 - CVE House
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Status published High CVE-2020-11612

The ZlibDecoders in Netty 4.1.x before 4.1.46 allow for unbounded...

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

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Affected Vendor

Affected Software

netty, debian linux, fedora, oncommand api services, oncommand insight, oncommand workflow automation, communications brm - elastic charging engine, communications cloud native core service communication proxy, communications design studio, nosql database, siebel core - server framework, webcenter portal, communications messaging server
Vulnerable Versions:
4.1, 9.0, 10.0, 33, 12.0.0.3, 1.5.2, 7.4.2, 0, 12.2.1.3.0, 12.2.1.4.0, 8.1

Timeline

Official Publish: April 7th, 2020
Last Modified: August 4th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.