{"id":"CVE-2017-1000373","state":"PUBLISHED","title":"The OpenBSD qsort() function is recursive, and not randomized, an attacker can construct a pathological input array of N elements that causes qsort() to deterministically recurse N","description":"The OpenBSD qsort() function is recursive, and not randomized, an attacker can construct a pathological input array of N elements that causes qsort() to deterministically recurse N/4 times. This allows attackers to consume arbitrary amounts of stack memory and manipulate stack memory to assist in arbitrary code execution attacks. This affects OpenBSD 6.1 and possibly earlier versions.","publishedAt":"2017-06-19T16:00:00.000Z","updatedAt":"2024-08-05T22:00:40.943Z","severity":null,"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://www.exploit-db.com/exploits/42271/","https://support.apple.com/HT208144","https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txt","https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/lib/libc/stdlib/qsort.c?rev=1.15&content-type=text/x-cvsweb-markup","http://www.securityfocus.com/bid/99177","http://www.securitytracker.com/id/1039427","https://support.apple.com/HT208113","https://support.apple.com/HT208112","https://support.apple.com/HT208115"],"weaknesses":[],"ingestedAt":"2026-10-29T19:43:03.788Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2017/1000xxx/CVE-2017-1000373.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2017-1000373","state":"PUBLISHED","datePublished":"2017-06-19T16:00:00.000Z","dateUpdated":"2024-08-05T22:00:40.943Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2017-06-19T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"The OpenBSD qsort() function is recursive, and not randomized, an attacker can construct a pathological input array of N elements that causes qsort() to deterministically recurse N/4 times. 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