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curl: HTTP/3 Protocol Smuggling and Header Injection via CRLF in QPACK value conversion

🗓️ 26 Dec 2025 17:04:41Reported by 0x0000nosfuType 
hackerone
 hackerone
🔗 hackerone.com👁 11 Views

Libcurl HTTP/3 header handling flaw allows CRLF in QPACK values to inject headers or body, risking protocol desynchronization.

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