Netty's DnsResolveContext fails to validate the origin (bailiwick) of CNAME records in DNS responses
39015
22 September 2026
22 September 2026
CLOSED
LOW
10.0 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
CVE-2026-45674
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Brocade Security Advisory ID |
BSA-2026-3903 |
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Component |
Netty |
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Summary
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.
Products Affected
- No Brocade products are affected
Products Not Affected
- Brocade Fabric OS
[VEX Justification: Component_not_present] - Brocade SANnav
[VEX Justification: Vulnerable_code_not_in_execute_path] - Brocade ASCG
[VEX Justification: Vulnerable_code_not_in_execute_path]
Solution
- While not exploitable, a security update is provided in Brocade SANnav 3.0.1a
Revision History
|
Version |
Change |
Date |
|
1.0 |
Initial Publication |
September 22, 2026 |
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