[GHSA-c3j3-64rf-grvf] Netty (io.netty:netty-handler) versions from 4.2.0.Final... - #9403
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September 8, 2026 09:50
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Adding affected Maven coordinates and ranges for io.netty:netty-handler.
Ranges are taken from the netty maintainers' own advisory, published 2026-08-07:
GHSA-p85m-gvr3-788c
Note: the VulnCheck CNA record (https://www.cve.org/CVERecord?id=CVE-2026-62243,
https://www.vulncheck.com/advisories/netty-through-tls-hostname-verification-bypass)
lists 4.2.16.Final as unaffected, which contradicts the maintainer advisory. The
maintainer ranges are used here. The maintainer advisory carries no CVE ID; it
would be worth linking it as the canonical record for this CVE.
Fixed releases:
https://github.com/netty/netty/releases/tag/netty-4.1.137.Final
https://github.com/netty/netty/releases/tag/netty-4.2.17.Final
https://repo1.maven.org/maven2/io/netty/netty-handler/4.1.137.Final/
https://repo1.maven.org/maven2/io/netty/netty-handler/4.2.17.Final/