7.8

CVE-2016-1887: freebsd

CVSS: 7.8v3.0HighModified
Published 25-05-2016Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2016-1887 is a high (CVSS 7.8) vulnerability in freebsd. EPSS estimates a 1.11% chance of exploitation in the next 30 days, higher than 65.6% of scored vulnerabilities. 2 public exploits are recorded.

Overall risk
41/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.0 (NVD)
EPSS score
1.11%
0%100%
Low · +0.04 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2reference, exploit-database

Timeline

  1. 25-05-2016
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

Integer signedness error in the sockargs function in sys/kern/uipc_syscalls.c in FreeBSD 10.1 before p34, 10.2 before p17, and 10.3 before p3 allows local users to cause a denial of service (memory overwrite and kernel panic) or gain privileges via a negative buflen argument, which triggers a heap-based buffer overflow.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.11%

Chance of exploitation in the next 30 days

Percentile

66%

Versus all other CVEs

30-day change

+0.04 pp

From 1.07% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.11%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • referenceUnverified

    Exploit Reference (cturt.github.io)

    Maturity: unknown

  • exploit-databasedosfreebsd_x86-64Unverified

    FreeBSD Kernel (FreeBSD 10.2 x64) - 'sendmsg' Kernel Heap Overflow (PoC)

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Freebsd1 product

1 vendor · 1 product

References

3 links