Medium severity6.5NVD Advisory· Published Jun 19, 2017· Updated Jun 17, 2026
CVE-2017-1000373
CVE-2017-1000373
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.
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Affected products
2Patches
Vulnerability mechanics
References
9- www.securityfocus.com/bid/99177nvdThird Party AdvisoryVDB Entry
- cvsweb.openbsd.org/cgi-bin/cvsweb/src/lib/libc/stdlib/qsort.cnvdMitigationThird Party Advisory
- www.qualys.com/2017/06/19/stack-clash/stack-clash.txtnvdThird Party Advisory
- www.securitytracker.com/id/1039427nvd
- support.apple.com/HT208112nvd
- support.apple.com/HT208113nvd
- support.apple.com/HT208115nvd
- support.apple.com/HT208144nvd
- www.exploit-db.com/exploits/42271/nvd
News mentions
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