CVE-2016-6239

medium

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.

References

http://www.securitytracker.com/id/1036318

http://www.securityfocus.com/bid/91805

http://www.openwall.com/lists/oss-security/2016/07/14/5

http://www.openbsd.org/errata59.html

http://www.openbsd.org/errata58.html

Details

Source: Mitre, NVD

Published: 2017-03-07

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 4.9

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

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