Improper input validation in Openbsd
CVE-2016-6239
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.005 (39.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Openbsd — versions 5.8, 5.9
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (vdb-entry, x_refsource_SECTRACK)
- cve@mitre.org (x_refsource_CONFIRM, Release Notes)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Exploit, Mailing List, Third Party Advisory)
- cve@mitre.org (x_refsource_CONFIRM, Release Notes)
- cve@mitre.org (vdb-entry, x_refsource_BID)
Frequently asked questions
- What is CVE-2016-6239?
- CVE-2016-6239 is a medium-severity vulnerability in Openbsd, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2017-03-07.
- How severe is CVE-2016-6239?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2016-6239 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.