{"id":"CURL-CVE-2023-28320","summary":"siglongjmp race condition","details":"libcurl provides several different backends for resolving hostnames, selected\nat build time. If it is built to use the synchronous resolver, it allows name\nresolves to time-out slow operations using `alarm()` and `siglongjmp()`.\n\nWhen doing this, libcurl used a global buffer that was not mutex protected and\na multi-threaded application might therefore crash or otherwise misbehave.","aliases":["CVE-2023-28320"],"modified":"2026-05-27T02:29:15.825669Z","published":"2023-05-17T08:00:00Z","database_specific":{"award":{"amount":"480","currency":"USD"},"affects":"lib","last_affected":"8.0.1","www":"https://curl.se/docs/CVE-2023-28320.html","issue":"https://hackerone.com/reports/1929597","CWE":{"id":"CWE-662","desc":"Improper 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