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Horizontal tab characters are legal in header values #3450

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dave-shawley opened this issue Dec 18, 2024 · 0 comments
Open

Horizontal tab characters are legal in header values #3450

dave-shawley opened this issue Dec 18, 2024 · 0 comments

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@dave-shawley
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The web.RequestHandler._INVALID_HEADER_CHAR_RE is too restrictive. It should allow horizontal tab characters. It looks like this was noticed a few years ago (#2186 (comment)) as well. Would you accept a quick PR to change the regex? I ran into this in a production API server recently.
dave-shawley added a commit to dave-shawley/tornado that referenced this issue Dec 18, 2024
@dave-shawley
Allow horizontal tabs in header values
f9322d6 
Addresses: tornadoweb#3450
@dave-shawley dave-shawley mentioned this issue Dec 18, 2024
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dave-shawley added a commit to dave-shawley/tornado that referenced this issue Dec 27, 2024
@dave-shawley
Allow horizontal tabs in header values
de7f0e4 
Addresses: tornadoweb#3450
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@dave-shawley