CVE-2023-28320 - siglongjmp race condition
业务逻辑 / Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') / #1990421
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原文摘录
摘自原文（461 字符中的一小部分）
libcurl provides several different backends for resolving host names, selected at build time. If it is built to use the synchronous resolver, it allows name resolves to time-out slow operations using alarm() and siglongjmp().
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