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4837e99892
It is similar to the previous fix but for the chunk size parsing. But this one is more annoying because a poorly coded application in front of haproxy may ignore the last digit before the LF thinking it should be a CR. In this case it may be out of sync with HAProxy and that could be exploited to perform some sort or request smuggling attack. While it seems unlikely, it is safer to forbid LF with CR at the end of a chunk size. This patch must be backported to 2.9 and probably to all stable versions because there is no reason to still support LF without CR in this case.
The HAProxy documentation has been split into a number of different files for ease of use. Please refer to the following files depending on what you're looking for : - INSTALL for instructions on how to build and install HAProxy - BRANCHES to understand the project's life cycle and what version to use - LICENSE for the project's license - CONTRIBUTING for the process to follow to submit contributions The more detailed documentation is located into the doc/ directory : - doc/intro.txt for a quick introduction on HAProxy - doc/configuration.txt for the configuration's reference manual - doc/lua.txt for the Lua's reference manual - doc/SPOE.txt for how to use the SPOE engine - doc/network-namespaces.txt for how to use network namespaces under Linux - doc/management.txt for the management guide - doc/regression-testing.txt for how to use the regression testing suite - doc/peers.txt for the peers protocol reference - doc/coding-style.txt for how to adopt HAProxy's coding style - doc/internals for developer-specific documentation (not all up to date)