7.5

CVE-2016-4476: canonical ubuntu_linux Improper Input Validation

CVSS: 7.5v3.1HighModified
AliasesALPINE-CVE-2016-4476UBUNTU-CVE-2016-4476DEBIAN-CVE-2016-4476
Published 09-05-2016Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2016-4476 is a high (CVSS 7.5) Improper Input Validation vulnerability in canonical ubuntu_linux. EPSS estimates a 2.86% chance of exploitation in the next 30 days, higher than 86.5% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
2.86%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 5 · Related 3
DLA-473-1MGASA-2016-0199OPENSUSE-SU-2024:10022-1OPENSUSE-SU-2024:10499-1USN-3455-1

Timeline

  1. 09-05-2016
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

hostapd 0.6.7 through 2.5 and wpa_supplicant 0.6.7 through 2.5 do not reject \n and \r characters in passphrase parameters, which allows remote attackers to cause a denial of service (daemon outage) via a crafted WPS operation.

CVSS metrics

6 scores · 4 sources · 3 versions

EPSS trend

Probability

2.86%

Chance of exploitation in the next 30 days

Percentile

87%

Versus all other CVEs

30-day change

0.00 pp

From 2.86% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.86%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

W1.fi2 products
Alpine1 product
  • wpa_supplicant≥ 0.6.7, < 2.5-r3
Canonical1 product
Debian1 product
  • wpa< 2.3-2.4
Ubuntu1 product
  • wpa< 2.1-0ubuntu1.5 | < 2.4-0ubuntu6.2 | < 2.4-0ubuntu10

5 vendors · 6 products

References

9 links