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curl: libcurl upload read callbacks miss recursive API guard, allowing prohibited multi API reentry and ASAN-confirmed UAF

🗓️ 29 Jun 2026 19:08:01Reported by th3houndType 
hackerone
 hackerone
🔗 hackerone.com👁 9 Views

libcurl upload read callbacks miss a recursive guard, enabling prohibited reentries and heap use.

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