6.2

CVE-2015-7975: ntp

CVSS: 6.2v3.0MediumModified
AliasesUBUNTU-CVE-2015-7975DEBIAN-CVE-2015-7975
Published 30-01-2017Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2015-7975 is a medium (CVSS 6.2) vulnerability in ntp. EPSS estimates a 0.63% chance of exploitation in the next 30 days, higher than 49.3% of scored vulnerabilities.

Overall risk
25/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.2/10
010
Medium · v3.0 (NVD)
EPSS score
0.63%
0%100%
Low · -0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 6 · Related 6
OPENSUSE-SU-2024:10181-1SUSE-SU-2016:1175-1SUSE-SU-2016:1177-1SUSE-SU-2016:1247-1SUSE-SU-2016:1311-1USN-3096-1

Timeline

  1. 30-01-2017
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The nextvar function in NTP before 4.2.8p6 and 4.3.x before 4.3.90 does not properly validate the length of its input, which allows an attacker to cause a denial of service (application crash).

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.63%

Chance of exploitation in the next 30 days

Percentile

49%

Versus all other CVEs

30-day change

-0.01 pp

From 0.64% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.63%

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

Debian1 product
  • ntp< 1:4.2.8p7+dfsg-1
Ntp1 product
  • ntp≤ 4.2.8 | 4.3.0 | 4.3.1 | 4.3.2 | 4.3.3 | 4.3.4 | 4.3.5 | 4.3.6 | 4.3.7 | 4.3.8 | 4.3.10 | 4.3.11 | 4.3.12 | 4.3.13 | 4.3.14 | 4.3.15 | 4.3.16 | 4.3.17 | 4.3.18 | 4.3.19 | 4.3.20 | 4.3.21 | 4.3.22 | 4.3.23 | 4.3.24 | 4.3.25 | 4.3.26 | 4.3.27 | 4.3.28 | 4.3.29 | 4.3.30 | 4.3.31 | 4.3.32 | 4.3.33 | 4.3.34 | 4.3.35 | 4.3.36 | 4.3.37 | 4.3.38 | 4.3.39 | 4.3.40 | 4.3.41 | 4.3.42 | 4.3.43 | 4.3.44 | 4.3.45 | 4.3.46 | 4.3.47 | 4.3.48 | 4.3.49 | 4.3.50 | 4.3.51 | 4.3.52 | 4.3.53 | 4.3.54 | 4.3.55 | 4.3.56 | 4.3.57 | 4.3.58 | 4.3.59 | 4.3.60 | 4.3.61 | 4.3.62 | 4.3.63 | 4.3.64 | 4.3.65 | 4.3.66 | 4.3.67 | 4.3.68 | 4.3.69 | 4.3.70 | 4.3.71 | 4.3.72 | 4.3.73 | 4.3.74 | 4.3.75 | 4.3.76 | 4.3.77 | 4.3.78 | 4.3.79 | 4.3.80 | 4.3.81 | 4.3.82 | 4.3.83 | 4.3.84 | 4.3.85 | 4.3.86 | 4.3.87 | 4.3.88 | 4.3.89
Ubuntu1 product
  • ntp< 1:4.2.8p4+dfsg-3ubuntu5.3

3 vendors · 3 products

References

26 links
Show all 26 references