eap8-eap-product-conf-parent: Netty is a network application framework for development of protocol servers and clients
CVE-2026-50010 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. Prior to versions 4.1.135.Final and 4.2.15.Final, SimpleTrustManagerFactory.engineGetTrustManagers() and related paths wrap any user-supplied plain X509TrustManager in X509TrustManagerWrapper, which extends X509ExtendedTrustManager but implements the 3-arg checkServerTrusted(chain, authType, SSLEngine) by discarding the SSLEngine and calling the 2-arg delegate. Because the object now IS an X509ExtendedTrustManager, neither SunJSSE's internal AbstractTrustManagerWrapper nor Netty's own OpenSslX509TrustManagerWrapper will re-wrap it to add endpoint-identification. Consequently, even though Netty 4.2 sets endpointIdentificationAlgorithm="HTTPS" by default, a client built with `SslContextBuilder.forClient().trustManager(somePlainX509TrustManager)` performs no hostname verification at all. 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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