7.8

CVE-2016-6240: openbsd Numeric Errors

CVSS: 7.8v3.0HighModified
Published 07-03-2017Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2016-6240 is a high (CVSS 7.8) Numeric Errors vulnerability in openbsd. EPSS estimates a 0.60% chance of exploitation in the next 30 days, higher than 47.5% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
41/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.0 (NVD)
EPSS score
0.60%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 07-03-2017
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

Integer truncation error in the amap_alloc function in OpenBSD 5.8 and 5.9 allows local users to execute arbitrary code with kernel privileges via a large size value.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.60%

Chance of exploitation in the next 30 days

Percentile

48%

Versus all other CVEs

30-day change

0.00 pp

From 0.60% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.60%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (openwall.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Openbsd1 product

1 vendor · 1 product

References

6 links