curl: libcurl WebSocket handshake accepts any Sec-WebSocket-Accept

Summary: libcurl upgrades to WebSocket without validating Sec-WebSocket-Accept, allowing a spoofed 101 response to complete the handshake and inject frames; AI assistance was used to draft this report. Steps to Reproduce: 1. Clone and build curl from source: git clone --depth=1...

PT-2024-31606

Name of the Vulnerable Software and Affected Versions: Picotls versions prior to the latest release Description: The issue arises when parsing a spoofed TLS handshake message, causing picotls to attempt to free the same memory twice. This double free occurs during the disposal of multiple objects...