eap8-eap-product-conf-parent: Netty is a network application framework for development of protocol servers and clients
CVE-2026-44249 is fixed in 6 products on 1 platform, first by RHSA-2026:49700, released June 12, 2026. It is not reported as exploited. Patch Radar priority: High.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| eap8-eap-product-conf-parent · RHEL 10 | 801.7.1-1.GA_redhat_00001.1.el10eap | RHSA-2026:49700 | Jun 12, 2026 |
| eap8-netty · RHEL 10 | 4.1.135-1.Final_redhat_00001.1.el10eap | RHSA-2026:49700 | Jun 12, 2026 |
| eap8-netty-transport-native-epoll · RHEL 10 | 4.1.135-1.Final_redhat_00001.1.el10eap | RHSA-2026:49700 | Jun 12, 2026 |
| eap8-wildfly · RHEL 10 | 8.1.7.1-1.GA_redhat_00004.1.el10eap | RHSA-2026:49700 | Jun 12, 2026 |
| netty · sles 15.7 | 4.1.135-150200.4.50.1 | SUSE-SU-2026:2802-1 | Jul 8, 2026 |
| netty-tcnative · sles 15.6 | 2.0.79-150200.3.45.1 | SUSE-SU-2026:2802-1 | Jul 8, 2026 |
| netty-tcnative · sles 15.7 | 2.0.79-150200.3.45.1 | SUSE-SU-2026:2802-1 | Jul 8, 2026 |
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