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Vulnerable Software

Vulnerability Details CVE-2026-48748

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.005
EPSS Ranking 37.9%
CVSS Severity
CVSS v3 Score 7.5
Products affected by CVE-2026-48748
  • Netty » Netty » Version: 4.2.0
    cpe:2.3:a:netty:netty:4.2.0
  • Netty » Netty » Version: 4.2.1
    cpe:2.3:a:netty:netty:4.2.1
  • Netty » Netty » Version: 4.2.10
    cpe:2.3:a:netty:netty:4.2.10
  • Netty » Netty » Version: 4.2.11
    cpe:2.3:a:netty:netty:4.2.11
  • Netty » Netty » Version: 4.2.12
    cpe:2.3:a:netty:netty:4.2.12
  • Netty » Netty » Version: 4.2.13
    cpe:2.3:a:netty:netty:4.2.13
  • Netty » Netty » Version: 4.2.14
    cpe:2.3:a:netty:netty:4.2.14
  • Netty » Netty » Version: 4.2.2
    cpe:2.3:a:netty:netty:4.2.2
  • Netty » Netty » Version: 4.2.3
    cpe:2.3:a:netty:netty:4.2.3
  • Netty » Netty » Version: 4.2.4
    cpe:2.3:a:netty:netty:4.2.4
  • Netty » Netty » Version: 4.2.5
    cpe:2.3:a:netty:netty:4.2.5
  • Netty » Netty » Version: 4.2.6
    cpe:2.3:a:netty:netty:4.2.6
  • Netty » Netty » Version: 4.2.7
    cpe:2.3:a:netty:netty:4.2.7
  • Netty » Netty » Version: 4.2.8
    cpe:2.3:a:netty:netty:4.2.8
  • Netty » Netty » Version: 4.2.9
    cpe:2.3:a:netty:netty:4.2.9


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