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Gunicorn incorrectly accepts empty header names #3104

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kenballus opened this issue Dec 4, 2023 · 0 comments · Fixed by #3113
Closed

Gunicorn incorrectly accepts empty header names #3104

kenballus opened this issue Dec 4, 2023 · 0 comments · Fixed by #3113

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@kenballus
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The RFCs don't permit empty header names. Reverse proxies have had issues with empty header names in the past. See this issue and this CVE for details.

Gunicorn should start rejecting messages containing empty header names.
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Fix numerous message parsing issues (v2) pajod/gunicorn
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@kenballus