# CVE-2026-45674: eap8-eap-product-conf-parent: Netty is a network application framework for development of protocol servers and clients

CVE-2026-45674 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.

- Web page: https://patchblox.com/security/cve/CVE-2026-45674
- Priority: High
- CVSS: 8.7 (important)
- EPSS: 0.0029
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 12, 2026

## Description

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, Netty's DnsResolveContext fails to validate the origin (bailiwick) of CNAME records in DNS responses. Versions 4.1.135.Final and 4.2.15.Final patch the issue.

## Where it's fixed

| Platform | 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](https://patchblox.com/security/data/fix/linux/rhsa-2026-49700.md) | Jun 12, 2026 |
| Linux | eap8-netty RHEL 10 | 4.1.135-1.Final_redhat_00001.1.el10eap | [RHSA-2026:49700](https://patchblox.com/security/data/fix/linux/rhsa-2026-49700.md) | Jun 12, 2026 |
| Linux | eap8-netty-transport-native-epoll RHEL 10 | 4.1.135-1.Final_redhat_00001.1.el10eap | [RHSA-2026:49700](https://patchblox.com/security/data/fix/linux/rhsa-2026-49700.md) | Jun 12, 2026 |
| Linux | eap8-wildfly RHEL 10 | 8.1.7.1-1.GA_redhat_00004.1.el10eap | [RHSA-2026:49700](https://patchblox.com/security/data/fix/linux/rhsa-2026-49700.md) | Jun 12, 2026 |
| Linux | netty sles 15.7 | 4.1.135-150200.4.50.1 | [SUSE-SU-2026:2802-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2802-1.md) | Jul 8, 2026 |
| Linux | netty-tcnative sles 15.6 | 2.0.79-150200.3.45.1 | [SUSE-SU-2026:2802-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2802-1.md) | Jul 8, 2026 |
| Linux | netty-tcnative sles 15.7 | 2.0.79-150200.3.45.1 | [SUSE-SU-2026:2802-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2802-1.md) | Jul 8, 2026 |

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Data as of 2026-11-08T13:06:02Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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