SCA: security update for io.netty:netty-codec-http3 (GHSA-4grm-h2qv-h6w6)

high Tenable Self-Hosted Container Security Plugin ID 443220

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. 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://github.com/advisories/GHSA-4grm-h2qv-h6w6

Plugin Details

Severity: High

ID: 443220

Version: Revision 1.1

Type: Local

Family: SCA Checks

Published: 6/16/2026

Updated: 6/16/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.73

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-2026-48748

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: 6/15/2026

Vulnerability Publication Date: 6/12/2026

Reference Information

CVE: CVE-2026-48748

cwe: CWE-770