Improper Validation of Specified Type of Input Affecting eap7-netty package, versions <0:4.1.135-1.Final_redhat_00001.1.el7eap


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
1.03% (61st percentile)

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  • Snyk IDSNYK-RHEL7-EAP7NETTY-18682415
  • published12 Aug 2026
  • disclosed11 Jun 2026

Introduced: 11 Jun 2026

CVE-2026-44249  (opens in a new tab)
CWE-1287  (opens in a new tab)

How to fix?

Upgrade RHEL:7 eap7-netty to version 0:4.1.135-1.Final_redhat_00001.1.el7eap or higher.
This issue was patched in RHSA-2026:53644.

NVD Description

Note: Versions mentioned in the description apply only to the upstream eap7-netty package and not the eap7-netty package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

Netty is a network application framework for development of protocol servers and clients. In netty-handler prior to versions 4.1.135.Final and 4.2.15.Final, an attacker can bypass IPv6 subnet rules due to an incorrect masking operation in IpSubnetFilterRule.compareTo(). Valid public IP addresses can bypass the restrictions. Versions 4.1.135.Final and 4.2.15.Final patch the issue.

CVSS Base Scores

version 3.1