PT-2026-47545 · Maven · Io.Netty:Netty-Handler

Publicado

2026-06-08

·

Atualizado

2026-06-08

CVSS v3.1

8.1

Alta

VetorAV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

An attacker can bypass IPv6 subnet rules due to an incorrect masking operation in IpSubnetFilterRule.compareTo(). Valid public IP addresses can bypass the restrictions.

Details

io.netty.handler.ipfilter.IpSubnetFilterRule#compareTo(java.net.InetSocketAddress) method performs a bitwise AND between the incoming IP address and the configured networkAddress, instead of the subnetMask.

Impact

Access Control Bypass. Attacker can bypass IpSubnetFilter IPv6 access controls.

Correção

Improper Access Control

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Enumeração de Fraquezas

Identificadores relacionados

GHSA-3QP7-7MW8-WX86

Produtos afetados

Io.Netty:Netty-Handler