CVE-2026-48748
Last modified
CVE-2026-48748 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 0.37% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Netty | Netty | >= 4.2.0, < 4.2.15 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2026-48748?
How severe is CVE-2026-48748?
How do I fix CVE-2026-48748?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-48736Symfony is a PHP framework for web and console applications …8.6
- CVE-2026-4874A flaw was found in Keycloak. An authenticated attacker can …3.1
- CVE-2026-48743Envoy is an open source edge and service proxy designed for …7.5
- CVE-2026-48745Traccar Client is a GPS tracking mobile app for sending loca…9.3
- CVE-2026-48746vLLM is an inference and serving engine for large language m…9.1
- CVE-2026-48747Symfony is a PHP framework for web and console applications …5.3
- CVE-2026-4875A vulnerability was determined in itsourcecode Free Hotel Re…4.7
- CVE-2026-48758sigstore-js provides JavaScript libraries for interacting wi…5.4
- CVE-2026-48759TypeBot is a chatbot builder tool. Versions 3.15.2 and below…7.1
- CVE-2026-4876A vulnerability was identified in itsourcecode Free Hotel Re…6.3
- CVE-2026-48760Symfony is a PHP framework for web and console applications …6.1
- CVE-2026-48761Symfony is a PHP framework for web and console applications …6.1
Are you affected by CVE-2026-48748?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
