CVE-2016-6239

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

The mmap extension __MAP_NOFAULT in OpenBSD 5.8 and 5.9 allows attackers to cause a denial of service (kernel panic and crash) via a large size value.

Metrics

CVSS 3.0 5.5/10CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-20

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://www.openbsd.org/errata58.htmlRelease Notes
http://www.openbsd.org/errata59.htmlRelease Notes
http://www.openwall.com/lists/oss-security/2016/07/14/5Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/07/17/7Exploit, Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/91805
http://www.securitytracker.com/id/1036318
http://www.openbsd.org/errata58.htmlRelease Notes
http://www.openbsd.org/errata59.htmlRelease Notes
http://www.openwall.com/lists/oss-security/2016/07/14/5Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/07/17/7Exploit, Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/91805
http://www.securitytracker.com/id/1036318

Timeline

Published: Mar 7, 2017
Last modified: Jun 17, 2026
NVD status: Modified

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