Detections
Analytics

SCA: security update for io.netty:netty-handler (GHSA-mm9x-g8pc-w292)

high Tenable Cloud Security Plugin ID 417033

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - 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. (CVE-2020-11612)

See Also

https://github.com/advisories/GHSA-mm9x-g8pc-w292

Plugin Details

Severity: High

ID: 417033

Version: Revision 1.5

Type: Local

Family: SCA Checks

Published: 1/23/2025

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.18

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2020-11612

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 6/15/2020

Vulnerability Publication Date: 4/7/2020

Reference Information

CVE: CVE-2020-11612