[WinHTTP] Validate header values for ASCII - #116256

Closed

ManickaP with Copilot wants to merge 5 commits into

mainfrom

copilot/fix-115112

Commits on Jun 3, 2025

Initial plan for issue
Copilot
committed
716e5f7
Add ASCII validation for header values in WinHttpHandler

Copilot
and
ManickaP
committed
30569cd
Use Ascii.IsValid when targeting .NET for header validation

Copilot
and
stephentoub
committed
f0f0158
Move exception message to resource strings (resx)

Copilot
and
stephentoub
committed
00a1e04
Update header validation to allow Latin-1 characters while still blocking dangerous controls

Copilot
and
ManickaP
committed
ab6c173