These x86_64-linux binaries patch the security issues found in May 2023.
They were built by Max Chernoff, patching the original release without
changing the version number. Versions:

2023 - LuaTeX 1.16.0
2022 - LuaTeX 1.15.0
2021 - LuaTeX 1.13.0
2020 - LuaTeX 1.12.0
2019 - LuaTeX 1.10.0
2018 - LuaTeX 1.07.0
2017 - LuaTeX 1.0.4

See https://tug.org/texlive/bugs.html (for 2023) for an overview,
and https://tug.org/~mseven/luatex.html for details, which also has
links to the patched sources
(https://tug.org/~mseven/luatex.html#binary-details).

The latest fixed version was released as LuaTeX 1.17.0, and binaries
(separate from these) were updated in TeX Live 2023 (only).
The updated TL source tree can be retrieved with
  rsync -a --delete --exclude=.svn --exclude=Work --exclude=inst tug.org::tlbranch
Or see the LuaTeX upstream source. --karl@tug.org