[3.13] gh-119451: Fix a potential denial of service in http.client (GH-119454) #142139
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…thonGH-119454) Reading the whole body of the HTTP response could cause OOM if the Content-Length value is too large even if the server does not send a large amount of data. Now the HTTP client reads large data by chunks, therefore the amount of consumed memory is proportional to the amount of sent data. (cherry picked from commit 5a4c4a0) Co-authored-by: Serhiy Storchaka <[email protected]>
This was referenced Dec 1, 2025
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python-3.11 Upstream Fix PR: python/cpython#142141 python-3.12 Upstream Fix PR: python/cpython#142140 python-3.13 Upstream Fix PR: python/cpython#142139 python-3.13 Local Fix PR: wolfi-dev/os#75166 Signed-off-by: Vivian Rook <[email protected]>
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python-3.11 Upstream Fix PR: python/cpython#142141 python-3.12 Upstream Fix PR: python/cpython#142140 python-3.13 Upstream Fix PR: python/cpython#142139 python-3.13 Local Fix PR: wolfi-dev/os#75166 Signed-off-by: Vivian Rook <[email protected]>
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Reading the whole body of the HTTP response could cause OOM if
the Content-Length value is too large even if the server does not send
a large amount of data. Now the HTTP client reads large data by chunks,
therefore the amount of consumed memory is proportional to the amount
of sent data.
(cherry picked from commit 5a4c4a0)
Co-authored-by: Serhiy Storchaka [email protected]