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SCA: security update for io.netty:netty-transport-native-epoll (GHSA-rwm7-x88c-3g2p)

high Tenable Cloud Security Plugin ID 441380

Description

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

 - Netty is an asynchronous, event-driven network application framework. From 4.2.0.Final to 4.2.13.Final ,
 Netty's epoll transport fails to detect and close TCP connections that receive a RST after being half-
 closed, leading to stale channels that are never cleaned up and, in some code paths, a 100% CPU busy-loop
 in the event loop thread. This vulnerability is fixed in 4.2.13.Final. (CVE-2026-42577)

Solution

Update the io.netty:netty-transport-native-epoll library and its related packages to version 4.2.13.Final or later.

See Also

https://github.com/advisories/GHSA-rwm7-x88c-3g2p

Plugin Details

Severity: High

ID: 441380

Version: Revision 1.6

Type: Local

Family: SCA Checks

Published: 5/7/2026

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 94.4

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2026-42577

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: 5/6/2026

Vulnerability Publication Date: 5/6/2026

Reference Information

CVE: CVE-2026-42577

cwe: CWE-772