Medium severity5.5NVD Advisory· Published Mar 7, 2017· Updated Jun 17, 2026

CVE-2016-6239

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

OpenBSD/OpenBSD3 versions
cpe:2.3:o:openbsd:openbsd:5.8:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:openbsd:openbsd:5.8:*:*:*:*:*:*:*
- cpe:2.3:o:openbsd:openbsd:5.9:*:*:*:*:*:*:*
- (no CPE)range: 5.8, 5.9
OpenBSD/mmap extensionllm-create
Range: 5.8, 5.9

Patches

Vulnerability mechanics

References

www.openwall.com/lists/oss-security/2016/07/17/7nvdExploitMailing ListThird Party Advisory
www.openwall.com/lists/oss-security/2016/07/14/5nvdMailing ListThird Party Advisory
www.openbsd.org/errata58.htmlnvdRelease Notes
www.openbsd.org/errata59.htmlnvdRelease Notes
www.securityfocus.com/bid/91805nvd
www.securitytracker.com/id/1036318nvd

News mentions

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cvss	0.358
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000