CVE-2020-11612
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Netty
PublishedApr 7, 2020
First seenApr 7, 2020
How to fix
Update
- netty netty4.1.46 or later
- oracle nosql_database20.3 or later
- oracle siebel_core_-_server_framework21.5 or later
- io.netty:netty-handler4.1.46 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| netty netty | 4.1 ≤ v < 4.1.46 | 4.1.46 |
| debian debian_linux | 9.0, 10.0 | — |
| fedoraproject fedora | 33 | — |
| netapp oncommand_api_services | No range specified | — |
| netapp oncommand_insight | No range specified | — |
| netapp oncommand_workflow_automation | No range specified | — |
| oracle communications_brm_-_elastic_charging_engine | 12.0.0.3 | — |
| oracle communications_cloud_native_core_service_communication_proxy | 1.5.2 | — |
| oracle communications_design_studio | 7.4.2 | — |
| oracle nosql_database | v < 20.3 | 20.3 |
| oracle siebel_core_-_server_framework | v < 21.5 | 21.5 |
| oracle webcenter_portal | 12.2.1.3.0, 12.2.1.4.0 | — |
| oracle communications_messaging_server | 8.1 | — |
| io.netty:netty-handlerMaven | 4.1.0 ≤ v < 4.1.46 | 4.1.46 |
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