01 Record

CVE-2016-2519

ntpd in NTP before 4.2.8p7 and 4.3.x before 4.3.92 allows remote attackers to cause a denial of service (ntpd abort) by a large request data value, which triggers the ctl_getitem function to return a

UnratedPUBLISHEDCNA: mitre

CNA base scoreUnratedNo CNA CVSS vector

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02 Description

ntpd in NTP before 4.2.8p7 and 4.3.x before 4.3.92 allows remote attackers to cause a denial of service (ntpd abort) by a large request data value, which triggers the ctl_getitem function to return a

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 6.86% probability of exploitation activity in the next 30 days.
EPSS percentile: Equal to or higher than the score of 93.7% of scored records. A rank, not a probability.
NVD base score: 5.9 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD analysis status: Modified. NVD last modified this record on 2026-06-17.
Red Hat severity: Low. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2017-01-30 21:00Z9 YR AGO

Last updated

2024-08-05 23:32Z2 YR AGO

Reserved

2016-02-20

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass

Data version

5.1

Document digest

bb84203e70f12b7d947b42f15c8e60379325ef7077a79c7eae7ffb999db94b6f

05 Affected products

VendorProductVersionsPlatforms

ntpntpNot specified—

redhatenterprise_linuxNot specified—

06 References

support.ntp.orghttp://support.ntp.org/bin/view/Main/NtpBug3008x_refsource_CONFIRM
www.kb.cert.orgVU#718152https://www.kb.cert.org/vuls/id/718152third-party-advisoryx_refsource_CERT-VN
www.securitytracker.com1035705http://www.securitytracker.com/id/1035705vdb-entryx_refsource_SECTRACK
www.oracle.comhttp://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.htmlx_refsource_CONFIRM
security.netapp.comhttps://security.netapp.com/advisory/ntap-20171004-0002/x_refsource_CONFIRM
security.freebsd.orgFreeBSD-SA-16:16https://security.FreeBSD.org/advisories/FreeBSD-SA-16:16.ntp.ascvendor-advisoryx_refsource_FREEBSD
www.securityfocus.com88204http://www.securityfocus.com/bid/88204vdb-entryx_refsource_BID
security.gentoo.orgGLSA-201607-15https://security.gentoo.org/glsa/201607-15vendor-advisoryx_refsource_GENTOO

07 Fixed in

Debian 11

ntp
Fixed in 1:4.2.8p7+dfsg-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 16.04 LTS

ntp
Fixed in 1:4.2.8p4+dfsg-3ubuntu5.5

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.