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        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Cloud Linux Inc. and provide a link to the original.",
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        "name": "Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')"
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          "text": "An issue was discovered in Ruby 4 before 4.0.5. A race condition leading to a use-after-free in the pthread-based getaddrinfo timeout handler (rb_getaddrinfo in ext/socket/raddrinfo.c) allows a remote attacker who can delay DNS responses near the user-specified timeout to crash a Ruby process that calls Addrinfo.getaddrinfo(..., timeout:) or Socket.tcp(..., resolv_timeout:). Memory-corruption-based exploitation is theoretically possible. The attack could, for example, be carried out through a crafted authoritative DNS server or recursive resolver.",
          "title": "Vulnerability description"
        }
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          "url": "https://cve.tuxcare.com/els-alt-ruby/cve/CVE-2026-46727"
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          "summary": "https://www.ruby-lang.org/en/news/2026/05/20/getaddrinfo-cve-2026-46727/",
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