CVE-2026-48748

HIGH EPSS 21.1%
Published Jun 12, 20262w ago · Modified Jun 17, 20262w ago
7.5 CVSS 3.1
High
Find Similar
Published Jun 12, 2026 2w ago
Last Modified Jun 17, 2026 2w ago

Description

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.

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
21.1% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-770

Affected Products 1

VendorProductVersionRange
nettynetty*≥4.2.0  –  <4.2.15

References 2

  • github.com https://github.com/netty/netty/releases/tag/netty-4.2.15.Final
    Release Notes
  • github.com https://github.com/netty/netty/security/advisories/GHSA-4grm-h2qv-h6w6
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.