dongjoon-hyun opened a new pull request, #59266: URL: https://github.com/apache/spark/pull/59266
### What changes were proposed in this pull request? This PR aims to upgrade Netty to 4.2.19.Final. ### Why are the changes needed? To bring the latest security and bug fixes: - https://netty.io/news/2026/10/06/4-2-19-Final.html - https://github.com/netty/netty/releases/tag/netty-4.2.19.Final (2026-10-06) This release contains 16 security fixes, including the following in the modules used by Spark: - Improper CRLF neutralization and request/response smuggling in `io.netty:netty-codec-http` - Origin validation error and unbounded resource consumption in `io.netty:netty-codec-http` - Unbounded resource consumption in `io.netty:netty-codec-http2`, `io.netty:netty-codec-base`, and `io.netty:netty-codec-dns` - SNI routing bypass and improper access control in `io.netty:netty-handler` - Input misinterpretation in `io.netty:netty-codec-socks` It also contains the following bug fixes, among others: - HTTP/2: Remove failed SETTINGS from ACK queue - HTTP/2: Reserve promised stream before running the request verifier - Guard `ChunkedWriteHandler.doFlush()` against re-entrant invocation from user code - Guard against out-of-bounds reads when parsing ClientHello SNI extension - Release `Channel` when `SimpleChannelPool` acquire is cancelled - Make `IoEventLoopGroup.isCompatible/isIoType` side-effect free - `HttpUtil.getCharset()` must accept whitespace before the next Content-Type parameter ### Does this PR introduce _any_ user-facing change? No. ### How was this patch tested? Pass the CIs. ### Was this patch authored or co-authored using generative AI tooling? Generated-by: Claude Opus 5.5 -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
