CVE-2026-48748

Netty HTTP/3 QPACK Blocked Streams Memory Exhaustion

CVSS 7.5 HIGHEPSS 0.3%CWE-770

Vexday Risk Score

21Baixo

Decisão SSVC (CISA)

Track

Sem sinal de exploração → monitorar

CVSS 7.5EPSS 0.3%KEV nãoPoC —Patch —

Ciclo de vida

12 jun 2026Publicada no NVD

Recomendação: Monitorar — sem sinal de exploração no momento.

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

Produtos afetados

netty · netty

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Referências

https://github.com/netty/netty/releases/tag/netty-4.2.15.Final https://github.com/netty/netty/security/advisories/GHSA-4grm-h2qv-h6w6