CVE-2022-27775: Bad local IPv6 connection reuse
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原文摘录
摘自原文（1250 字符中的一小部分）
Summary: curl/libcurl doesn't consider IPv6 address zone index when doing connection reuse. if connection exists to specific IPv6 address (and other conditions for connection reuse are fulfilled) it will be reused for connections regardless of the zone index.
原文中的代码
Listening on :: 9999 Connection received on somehost someport GET /x HTTP/1.1 Host: [ipv6addr]:9999 User-Agent: curl/7.83.0-DEV Accept: */* GET /y HTTP/1.1 Host: [ipv6addr]:9999 User-Agent: curl/7.83.0-DEV Accept: */*
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