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Netty io.netty packages could allow remote code execution

published 12 days ago
Summary

Several Netty io.netty libraries (netty-all, netty-bom, netty-buffer, netty-codec, netty-codec-dns) contain flaws that could let an attacker run unwanted code on a server. Updating to the TuxCare‑provided version 4.1.53.Final‑tuxcare.1 fixes these issues. Apply the TuxCare security update to all affected Netty components as soon as possible.

What to do
  • Update netty io.netty:netty-all to version 4.1.53.Final-tuxcare.1.
  • Update netty io.netty:netty-bom to version 4.1.53.Final-tuxcare.1.
  • Update netty io.netty:netty-buffer to version 4.1.53.Final-tuxcare.1.
  • Update netty io.netty:netty-codec to version 4.1.53.Final-tuxcare.1.
  • Update netty io.netty:netty-codec-dns to version 4.1.53.Final-tuxcare.1.
  • Update netty io.netty:netty-codec-haproxy to version 4.1.53.Final-tuxcare.1.
  • Update netty io.netty:netty-codec-http to version 4.1.53.Final-tuxcare.1.
  • Update netty io.netty:netty-codec-http2 to version 4.1.53.Final-tuxcare.1.
  • Update netty io.netty:netty-codec-memcache to version 4.1.53.Final-tuxcare.1.
  • Update netty io.netty:netty-codec-mqtt to version 4.1.53.Final-tuxcare.1.
  • Update netty io.netty:netty-codec-redis to version 4.1.53.Final-tuxcare.1.
  • Update netty io.netty:netty-codec-smtp to version 4.1.53.Final-tuxcare.1.
  • Update netty io.netty:netty-codec-socks to version 4.1.53.Final-tuxcare.1.
  • Update netty io.netty:netty-codec-stomp to version 4.1.53.Final-tuxcare.1.
  • Update netty io.netty:netty-codec-xml to version 4.1.53.Final-tuxcare.1.
  • Update netty io.netty:netty-common to version 4.1.53.Final-tuxcare.1.
  • Update netty io.netty:netty-dev-tools to version 4.1.53.Final-tuxcare.1.
  • Update netty io.netty:netty-example to version 4.1.53.Final-tuxcare.1.
  • Update netty io.netty:netty-handler to version 4.1.53.Final-tuxcare.1.
  • Update netty io.netty:netty-handler-proxy to version 4.1.53.Final-tuxcare.1.
  • Update netty io.netty:netty-microbench to version 4.1.53.Final-tuxcare.1.
  • Update netty io.netty:netty-parent to version 4.1.53.Final-tuxcare.1.
  • Update netty io.netty:netty-resolver to version 4.1.53.Final-tuxcare.1.
  • Update netty io.netty:netty-resolver-dns to version 4.1.53.Final-tuxcare.1.
  • Update netty io.netty:netty-resolver-dns-native-macos to version 4.1.53.Final-tuxcare.1.
  • Update netty io.netty:netty-tarball to version 4.1.53.Final-tuxcare.1.
  • Update netty io.netty:netty-testsuite to version 4.1.53.Final-tuxcare.1.
  • Update netty io.netty:netty-testsuite-autobahn to version 4.1.53.Final-tuxcare.1.
  • Update netty io.netty:netty-testsuite-http2 to version 4.1.53.Final-tuxcare.1.
  • Update netty io.netty:netty-testsuite-native-image to version 4.1.53.Final-tuxcare.1.
  • Update netty io.netty:netty-testsuite-osgi to version 4.1.53.Final-tuxcare.1.
  • Update netty io.netty:netty-transport to version 4.1.53.Final-tuxcare.1.
  • Update netty io.netty:netty-transport-blockhound-tests to version 4.1.53.Final-tuxcare.1.
  • Update netty io.netty:netty-transport-native-epoll to version 4.1.53.Final-tuxcare.1.
  • Update netty io.netty:netty-transport-native-kqueue to version 4.1.53.Final-tuxcare.1.
  • Update netty io.netty:netty-transport-native-unix-common to version 4.1.53.Final-tuxcare.1.
  • Update netty io.netty:netty-transport-native-unix-common-tests to version 4.1.53.Final-tuxcare.1.
  • Update netty io.netty:netty-transport-rxtx to version 4.1.53.Final-tuxcare.1.
  • Update netty io.netty:netty-transport-sctp to version 4.1.53.Final-tuxcare.1.
  • Update netty io.netty:netty-transport-udt to version 4.1.53.Final-tuxcare.1.
Affected software
Ecosystem VendorProductAffected versions
TuxCare:Maven netty io.netty:netty-all >= 4.1.53.Final, < 4.1.53.Final-tuxcare.1
Fix: upgrade to 4.1.53.Final-tuxcare.1
TuxCare:Maven netty io.netty:netty-bom >= 4.1.53.Final, < 4.1.53.Final-tuxcare.1
Fix: upgrade to 4.1.53.Final-tuxcare.1
TuxCare:Maven netty io.netty:netty-buffer >= 4.1.53.Final, < 4.1.53.Final-tuxcare.1
Fix: upgrade to 4.1.53.Final-tuxcare.1
TuxCare:Maven netty io.netty:netty-codec >= 4.1.53.Final, < 4.1.53.Final-tuxcare.1
Fix: upgrade to 4.1.53.Final-tuxcare.1
TuxCare:Maven netty io.netty:netty-codec-dns >= 4.1.53.Final, < 4.1.53.Final-tuxcare.1
Fix: upgrade to 4.1.53.Final-tuxcare.1
TuxCare:Maven netty io.netty:netty-codec-haproxy >= 4.1.53.Final, < 4.1.53.Final-tuxcare.1
Fix: upgrade to 4.1.53.Final-tuxcare.1
TuxCare:Maven netty io.netty:netty-codec-http >= 4.1.53.Final, < 4.1.53.Final-tuxcare.1
Fix: upgrade to 4.1.53.Final-tuxcare.1
TuxCare:Maven netty io.netty:netty-codec-http2 >= 4.1.53.Final, < 4.1.53.Final-tuxcare.1
Fix: upgrade to 4.1.53.Final-tuxcare.1
TuxCare:Maven netty io.netty:netty-codec-memcache >= 4.1.53.Final, < 4.1.53.Final-tuxcare.1
Fix: upgrade to 4.1.53.Final-tuxcare.1
TuxCare:Maven netty io.netty:netty-codec-mqtt >= 4.1.53.Final, < 4.1.53.Final-tuxcare.1
Fix: upgrade to 4.1.53.Final-tuxcare.1
TuxCare:Maven netty io.netty:netty-codec-redis >= 4.1.53.Final, < 4.1.53.Final-tuxcare.1
Fix: upgrade to 4.1.53.Final-tuxcare.1
TuxCare:Maven netty io.netty:netty-codec-smtp >= 4.1.53.Final, < 4.1.53.Final-tuxcare.1
Fix: upgrade to 4.1.53.Final-tuxcare.1
TuxCare:Maven netty io.netty:netty-codec-socks >= 4.1.53.Final, < 4.1.53.Final-tuxcare.1
Fix: upgrade to 4.1.53.Final-tuxcare.1
TuxCare:Maven netty io.netty:netty-codec-stomp >= 4.1.53.Final, < 4.1.53.Final-tuxcare.1
Fix: upgrade to 4.1.53.Final-tuxcare.1
TuxCare:Maven netty io.netty:netty-codec-xml >= 4.1.53.Final, < 4.1.53.Final-tuxcare.1
Fix: upgrade to 4.1.53.Final-tuxcare.1
TuxCare:Maven netty io.netty:netty-common >= 4.1.53.Final, < 4.1.53.Final-tuxcare.1
Fix: upgrade to 4.1.53.Final-tuxcare.1
TuxCare:Maven netty io.netty:netty-dev-tools >= 4.1.53.Final, < 4.1.53.Final-tuxcare.1
Fix: upgrade to 4.1.53.Final-tuxcare.1
TuxCare:Maven netty io.netty:netty-example >= 4.1.53.Final, < 4.1.53.Final-tuxcare.1
Fix: upgrade to 4.1.53.Final-tuxcare.1
TuxCare:Maven netty io.netty:netty-handler >= 4.1.53.Final, < 4.1.53.Final-tuxcare.1
Fix: upgrade to 4.1.53.Final-tuxcare.1
TuxCare:Maven netty io.netty:netty-handler-proxy >= 4.1.53.Final, < 4.1.53.Final-tuxcare.1
Fix: upgrade to 4.1.53.Final-tuxcare.1
TuxCare:Maven netty io.netty:netty-microbench >= 4.1.53.Final, < 4.1.53.Final-tuxcare.1
Fix: upgrade to 4.1.53.Final-tuxcare.1
TuxCare:Maven netty io.netty:netty-parent >= 4.1.53.Final, < 4.1.53.Final-tuxcare.1
Fix: upgrade to 4.1.53.Final-tuxcare.1
TuxCare:Maven netty io.netty:netty-resolver >= 4.1.53.Final, < 4.1.53.Final-tuxcare.1
Fix: upgrade to 4.1.53.Final-tuxcare.1
TuxCare:Maven netty io.netty:netty-resolver-dns >= 4.1.53.Final, < 4.1.53.Final-tuxcare.1
Fix: upgrade to 4.1.53.Final-tuxcare.1
TuxCare:Maven netty io.netty:netty-resolver-dns-native-macos >= 4.1.53.Final, < 4.1.53.Final-tuxcare.1
Fix: upgrade to 4.1.53.Final-tuxcare.1
TuxCare:Maven netty io.netty:netty-tarball >= 4.1.53.Final, < 4.1.53.Final-tuxcare.1
Fix: upgrade to 4.1.53.Final-tuxcare.1
TuxCare:Maven netty io.netty:netty-testsuite >= 4.1.53.Final, < 4.1.53.Final-tuxcare.1
Fix: upgrade to 4.1.53.Final-tuxcare.1
TuxCare:Maven netty io.netty:netty-testsuite-autobahn >= 4.1.53.Final, < 4.1.53.Final-tuxcare.1
Fix: upgrade to 4.1.53.Final-tuxcare.1
TuxCare:Maven netty io.netty:netty-testsuite-http2 >= 4.1.53.Final, < 4.1.53.Final-tuxcare.1
Fix: upgrade to 4.1.53.Final-tuxcare.1
TuxCare:Maven netty io.netty:netty-testsuite-native-image >= 4.1.53.Final, < 4.1.53.Final-tuxcare.1
Fix: upgrade to 4.1.53.Final-tuxcare.1
TuxCare:Maven netty io.netty:netty-testsuite-osgi >= 4.1.53.Final, < 4.1.53.Final-tuxcare.1
Fix: upgrade to 4.1.53.Final-tuxcare.1
TuxCare:Maven netty io.netty:netty-transport >= 4.1.53.Final, < 4.1.53.Final-tuxcare.1
Fix: upgrade to 4.1.53.Final-tuxcare.1
TuxCare:Maven netty io.netty:netty-transport-blockhound-tests >= 4.1.53.Final, < 4.1.53.Final-tuxcare.1
Fix: upgrade to 4.1.53.Final-tuxcare.1
TuxCare:Maven netty io.netty:netty-transport-native-epoll >= 4.1.53.Final, < 4.1.53.Final-tuxcare.1
Fix: upgrade to 4.1.53.Final-tuxcare.1
TuxCare:Maven netty io.netty:netty-transport-native-kqueue >= 4.1.53.Final, < 4.1.53.Final-tuxcare.1
Fix: upgrade to 4.1.53.Final-tuxcare.1
TuxCare:Maven netty io.netty:netty-transport-native-unix-common >= 4.1.53.Final, < 4.1.53.Final-tuxcare.1
Fix: upgrade to 4.1.53.Final-tuxcare.1
TuxCare:Maven netty io.netty:netty-transport-native-unix-common-tests >= 4.1.53.Final, < 4.1.53.Final-tuxcare.1
Fix: upgrade to 4.1.53.Final-tuxcare.1
TuxCare:Maven netty io.netty:netty-transport-rxtx >= 4.1.53.Final, < 4.1.53.Final-tuxcare.1
Fix: upgrade to 4.1.53.Final-tuxcare.1
TuxCare:Maven netty io.netty:netty-transport-sctp >= 4.1.53.Final, < 4.1.53.Final-tuxcare.1
Fix: upgrade to 4.1.53.Final-tuxcare.1
TuxCare:Maven netty io.netty:netty-transport-udt >= 4.1.53.Final, < 4.1.53.Final-tuxcare.1
Fix: upgrade to 4.1.53.Final-tuxcare.1
Original advisory text
TuxCare security update for io.netty (26 CVEs)
TuxCare rebuilt 40 io.netty packages to address 26 CVEs. Fixed in 4.1.53.Final-tuxcare.1.
Timeline
Published23 Oct 2026
Updated23 Oct 2026
First seen23 Oct 2026
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