PT-2026-48900 · Netty · Netty

Published 2026-06-12 · Updated 2026-06-12 · CVE-2026-48748

Mitre

CVSS v3.1

7.5

High

Base vector

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

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.

Fix

Allocation of Resources Without Limits

Weakness Enumeration

CWE-770

Related Identifiers

CVE-2026-48748

Affected Products

Netty

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-48748 · Security Note
• https://github.com/netty/netty/releases/tag/netty-4.2.15.Final · Note
• https://github.com/netty/netty/security/advisories/GHSA-4grm-h2qv-h6w6 · Note