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NVD Vulnerability Details :
CVE-2026-48748
Modified
More InfoOfficial Page
Source-security-advisories@github.com
View Known Exploited Vulnerability (KEV) details
Published At-12 Jun, 2026 | 16:16
Updated At-15 Jul, 2026 | 02:22

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Secondary3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
N/A
Type: Secondary
Version: 3.1
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Type: Secondary
Version: 3.1
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Type: N/A
Version:
Base score:
Base severity: N/A
Vector:
CPE Matches
The Netty Project
netty
>>netty>>Versions from 4.2.0(inclusive) to 4.2.15(exclusive)
cpe:2.3:a:netty:netty:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-770Secondarysecurity-advisories@github.com
CWE-770Secondary0b0ca135-0b70-47e7-9f44-1890c2a1c46c
CWE ID: CWE-770
Type: Secondary
Source: security-advisories@github.com
CWE ID: CWE-770
Type: Secondary
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/netty/netty/releases/tag/netty-4.2.15.Finalsecurity-advisories@github.com
Release Notes
https://github.com/netty/netty/security/advisories/GHSA-4grm-h2qv-h6w6security-advisories@github.com
Vendor Advisory
https://access.redhat.com/security/cve/CVE-2026-487480b0ca135-0b70-47e7-9f44-1890c2a1c46c
N/A
https://bugzilla.redhat.com/show_bug.cgi?id=24884410b0ca135-0b70-47e7-9f44-1890c2a1c46c
N/A
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-48748.json0b0ca135-0b70-47e7-9f44-1890c2a1c46c
N/A
Hyperlink: https://github.com/netty/netty/releases/tag/netty-4.2.15.Final
Source: security-advisories@github.com
Resource:
Release Notes
Hyperlink: https://github.com/netty/netty/security/advisories/GHSA-4grm-h2qv-h6w6
Source: security-advisories@github.com
Resource:
Vendor Advisory
Hyperlink: https://access.redhat.com/security/cve/CVE-2026-48748
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Resource: N/A
Hyperlink: https://bugzilla.redhat.com/show_bug.cgi?id=2488441
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Resource: N/A
Hyperlink: https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-48748.json
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Resource: N/A
Change History
0Changes found
Details not found