Detections
Analytics

Echo: io.netty:netty-codec-http3: security update to 4.2.15.Final

high Tenable Cloud Security Plugin ID 465833

Description

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

 - Netty is a network application framework for development of protocol servers and clients. Starting in
 version 4.2.0.Final and prior to version 4.2.15.Final, a memory exhaustion vulnerability in the Netty
 HTTP/3 codec allows the creation of an infinite number of blocked streams, which can cause OOM error.
 Version 4.2.15.Final patches the issue. (CVE-2026-48748)

Solution

Update the io.netty:netty-codec-http3 library and its related packages to version 4.2.15.Final or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-48748

Plugin Details

Severity: High

ID: 465833

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/3/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.73

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-2026-48748

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: 9/28/2026

Vulnerability Publication Date: 6/12/2026

Reference Information

CVE: CVE-2026-48748