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[3.11] gh-119452: Fix a potential virtual memory allocation denial of service in http.server (GH-119455)#142132
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…ial of service in http.server (pythonGH-119455)The CGI server on Windows could consume the amount of memory specifiedin the Content-Length header of the request even if the client does notsend such much data. Now it reads the POST request body by chunks,so that the memory consumption is proportional to the amount of sentdata.(cherry picked from commit29c657a)Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
This was referencedDec 1, 2025
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The CGI server on Windows could consume the amount of memory specified
in the Content-Length header of the request even if the client does not
send such much data. Now it reads the POST request body by chunks,
so that the memory consumption is proportional to the amount of sent
data.
(cherry picked from commit29c657a)
Co-authored-by: Serhiy Storchakastorchaka@gmail.com