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CVE-2016-6239

Date: March 7, 2017

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.

Language: C

Severity Score

5.5

Related Resources (8)

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

Url: http://www.openwall.com/lists/oss-security/2016/07/17/7

Url: https://nvd.nist.gov/vuln/detail/CVE-2016-6239

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

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

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

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

Url: https://www.mend.io/vulnerability-database/CVE-2016-6239

Severity Score

5.5

Weakness Type (CWE)

Input Validation

CWE-20

CVSS v3

Base Score:	5.5
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	4.9
Access Vector (AV):	LOCAL
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	COMPLETE
Additional information:

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