CWE
20
Advisory Published
Updated

CVE-2016-6239: Input Validation

First published: Tue Mar 07 2017(Updated: )

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.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
OpenBSD=5.8
OpenBSD=5.9

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Frequently Asked Questions

  • What is the severity of CVE-2016-6239?

    CVE-2016-6239 is classified as a denial of service vulnerability that can lead to kernel panic and crash.

  • How do I fix CVE-2016-6239?

    To fix CVE-2016-6239, upgrade your OpenBSD installation to a patched version that addresses this vulnerability.

  • Which versions of OpenBSD are affected by CVE-2016-6239?

    CVE-2016-6239 affects OpenBSD versions 5.8 and 5.9.

  • What is the impact of exploiting CVE-2016-6239?

    Exploitation of CVE-2016-6239 can cause a denial of service through a kernel panic and system crash.

  • Is there any mitigation for CVE-2016-6239 besides updating?

    There are no specific mitigations for CVE-2016-6239 other than updating to a secure version of OpenBSD.

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